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2020-11-16console: Delete dummy con_font_set() and con_font_default() callback ↵Peilin Ye1-15/+0
implementations .con_font_set and .con_font_default callbacks should not pass `struct console_font *` as a parameter, since `struct console_font` is a UAPI structure. We are trying to let them use our new kernel font descriptor, `struct font_desc` instead. To make that work slightly easier, first delete all of their no-op implementations used by dummy consoles. This will make KD_FONT_OP_SET and KD_FONT_OP_SET_DEFAULT ioctl() requests on dummy consoles start to fail and return `-ENOSYS`, which is intended, since no user should ever expect such operations to succeed on dummy consoles. Suggested-by: Daniel Vetter <[email protected]> Signed-off-by: Peilin Ye <[email protected]> Reviewed-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/9952c7538d2a32bb1a82af323be482e7afb3dedf.1605169912.git.yepeilin.cs@gmail.com
2020-11-16console: Delete unused con_font_copy() callback implementationsPeilin Ye1-6/+0
Recently in commit 3c4e0dff2095 ("vt: Disable KD_FONT_OP_COPY") we disabled the KD_FONT_OP_COPY ioctl() option. Delete all the con_font_copy() callbacks, since we no longer use them. Mark KD_FONT_OP_COPY as "obsolete" in include/uapi/linux/kd.h, just like what we have done for PPPIOCDETACH in commit af8d3c7c001a ("ppp: remove the PPPIOCDETACH ioctl"). Signed-off-by: Peilin Ye <[email protected]> Reviewed-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/c8d28007edf50de4387e1532eb3eb736db716f73.1605169912.git.yepeilin.cs@gmail.com
2020-11-06USB: apple-mfi-fastcharge: fix reference leak in apple_mfi_fc_set_propertyZhang Qilong1-1/+3
pm_runtime_get_sync() will increment pm usage at first and it will resume the device later. If runtime of the device has error or device is in inaccessible state(or other error state), resume operation will fail. If we do not call put operation to decrease the reference, the result is that this device cannot enter the idle state and always stay busy or other non-idle state. Fixes: 249fa8217b846 ("USB: Add driver to control USB fast charge for iOS devices") Signed-off-by: Zhang Qilong <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-10-28USB: apple-mfi-fastcharge: don't probe unhandled devicesBastien Nocera1-5/+12
From: Bastien Nocera <[email protected]> Contrary to the comment above the id table, we didn't implement a match function. This meant that every single Apple device that was already plugged in to the computer would have its device driver reprobed when the apple-mfi-fastcharge driver was loaded, eg. the SD card reader could be reprobed when the apple-mfi-fastcharge after pivoting root during boot up and the module became available. Make sure that the driver probe isn't being run for unsupported devices by adding a match function that checks the product ID, in addition to the id_table checking the vendor ID. Link: https://bugzilla.redhat.com/show_bug.cgi?id=1878347 Link: https://lore.kernel.org/linux-usb/CAE3RAxt0WhBEz8zkHrVO5RiyEOasayy1QUAjsv-pB0fAbY1GSw@mail.gmail.com/ Fixes: 249fa8217b84 ("USB: Add driver to control USB fast charge for iOS devices") Cc: <[email protected]> # 5.8 Cc: Greg Kroah-Hartman <[email protected]> Cc: Alan Stern <[email protected]> [m.v.b: Add Link and Reported-by tags to the commit message] Reported-by: Pany <[email protected]> Tested-by: Pan (Pany) YUAN <[email protected]> Tested-by: Bastien Nocera <[email protected]> Signed-off-by: Bastien Nocera <[email protected]> Signed-off-by: M. Vefa Bicakci <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-09-25USB: legousbtower: use usb_control_msg_recv()Greg Kroah-Hartman1-41/+20
The usb_control_msg_recv() function can handle data on the stack, as well as properly detecting short reads, so move to use that function instead of the older usb_control_msg() call. This ends up removing a lot of extra lines in the driver. v2: change API of usb_control_msg_send() Cc: Juergen Stuber <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-09-25Revert "USB: legousbtower: use usb_control_msg_recv()"Oliver Neukum1-19/+41
This reverts commit be40c366416bf6ff74b25fd02e38cb6eaba497d1. The API has to be changed. Signed-off-by: Oliver Neukum <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-09-22usb: appledisplay: use module_usb_driver to simplify the codeLiu Shixin1-13/+1
module_usb_driver() makes the code simpler by eliminating boilerplate code. Signed-off-by: Liu Shixin <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-09-17USB: adutux: fix debuggingOliver Neukum1-0/+1
Handling for removal of the controller was missing at one place. Add it. Signed-off-by: Oliver Neukum <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-09-16USB: legousbtower: use usb_control_msg_recv()Greg Kroah-Hartman1-41/+19
The usb_control_msg_recv() function can handle data on the stack, as well as properly detecting short reads, so move to use that function instead of the older usb_control_msg() call. This ends up removing a lot of extra lines in the driver. Cc: Juergen Stuber <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-09-04usb/misc: usb3503: Use pm_ptr() macroPaul Cercueil1-10/+8
Use the newly introduced pm_ptr() macro, and mark the suspend/resume functions __maybe_unused. These functions can then be moved outside the CONFIG_PM_SUSPEND block, and the compiler can then process them and detect build failures independently of the config. If unused, they will simply be discarded by the compiler. Signed-off-by: Paul Cercueil <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-09-04usb/misc: usb4604: Use pm_ptr() macroPaul Cercueil1-5/+3
Use the newly introduced pm_ptr() macro, and mark the suspend/resume functions __maybe_unused. These functions can then be moved outside the CONFIG_PM_SUSPEND block, and the compiler can then process them and detect build failures independently of the config. If unused, they will simply be discarded by the compiler. Signed-off-by: Paul Cercueil <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-08-31Merge 5.9-rc3 into usb-nextGreg Kroah-Hartman2-2/+2
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-08-28USB: usblcd: Remove the superfluous breakJing Xiangfeng1-1/+0
Remove the superfuous break, as there is a 'return' before it. Signed-off-by: Jing Xiangfeng <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-08-18USB: yurex: remove needless check before usb_free_coherent()Xu Wang1-4/+2
usb_free_coherent() is safe with NULL addr and this check is not required. Signed-off-by: Xu Wang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-08-18USB: lvtest: return proper error code in probeEvgeny Novikov1-1/+1
lvs_rh_probe() can return some nonnegative value from usb_control_msg() when it is less than "USB_DT_HUB_NONVAR_SIZE + 2" that is considered as a failure. Make lvs_rh_probe() return -EINVAL in this case. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Evgeny Novikov <[email protected]> Cc: stable <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-08-18USB: yurex: Fix bad gfp argumentAlan Stern1-1/+1
The syzbot fuzzer identified a bug in the yurex driver: It passes GFP_KERNEL as a memory-allocation flag to usb_submit_urb() at a time when its state is TASK_INTERRUPTIBLE, not TASK_RUNNING: do not call blocking ops when !TASK_RUNNING; state=1 set at [<00000000370c7c68>] prepare_to_wait+0xb1/0x2a0 kernel/sched/wait.c:247 WARNING: CPU: 1 PID: 340 at kernel/sched/core.c:7253 __might_sleep+0x135/0x190 kernel/sched/core.c:7253 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 340 Comm: syz-executor677 Not tainted 5.8.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xf6/0x16e lib/dump_stack.c:118 panic+0x2aa/0x6e1 kernel/panic.c:231 __warn.cold+0x20/0x50 kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x41/0x80 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:__might_sleep+0x135/0x190 kernel/sched/core.c:7253 Code: 65 48 8b 1c 25 40 ef 01 00 48 8d 7b 10 48 89 fe 48 c1 ee 03 80 3c 06 00 75 2b 48 8b 73 10 48 c7 c7 e0 9e 06 86 e8 ed 12 f6 ff <0f> 0b e9 46 ff ff ff e8 1f b2 4b 00 e9 29 ff ff ff e8 15 b2 4b 00 RSP: 0018:ffff8881cdb77a28 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff8881c6458000 RCX: 0000000000000000 RDX: ffff8881c6458000 RSI: ffffffff8129ec93 RDI: ffffed1039b6ef37 RBP: ffffffff86fdade2 R08: 0000000000000001 R09: ffff8881db32f54f R10: 0000000000000000 R11: 0000000030343354 R12: 00000000000001f2 R13: 0000000000000000 R14: 0000000000000068 R15: ffffffff83c1b1aa slab_pre_alloc_hook.constprop.0+0xea/0x200 mm/slab.h:498 slab_alloc_node mm/slub.c:2816 [inline] slab_alloc mm/slub.c:2900 [inline] kmem_cache_alloc_trace+0x46/0x220 mm/slub.c:2917 kmalloc include/linux/slab.h:554 [inline] dummy_urb_enqueue+0x7a/0x880 drivers/usb/gadget/udc/dummy_hcd.c:1251 usb_hcd_submit_urb+0x2b2/0x22d0 drivers/usb/core/hcd.c:1547 usb_submit_urb+0xb4e/0x13e0 drivers/usb/core/urb.c:570 yurex_write+0x3ea/0x820 drivers/usb/misc/yurex.c:495 This patch changes the call to use GFP_ATOMIC instead of GFP_KERNEL. Reported-and-tested-by: [email protected] Signed-off-by: Alan Stern <[email protected]> CC: <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-08-06Merge tag 'tty-5.9-rc1' of ↵Linus Torvalds1-5/+6
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial updates from Greg KH: "Here is the large set of TTY and Serial driver patches for 5.9-rc1. Lots of bugfixes in here, thanks to syzbot fuzzing for serial and vt and console code. Other highlights include: - much needed vt/vc code cleanup from Jiri Slaby - 8250 driver fixes and additions - various serial driver updates and feature enhancements - locking cleanup for serial/console initializations - other minor cleanups All of these have been in linux-next with no reported issues" * tag 'tty-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (90 commits) MAINTAINERS: enlist Greg formally for console stuff vgacon: Fix for missing check in scrollback handling Revert "serial: 8250: Let serial core initialise spin lock" serial: 8250: Let serial core initialise spin lock tty: keyboard, do not speculate on func_table index serial: stm32: Add RS485 RTS GPIO control serial: 8250_dw: Fix common clocks usage race condition serial: 8250_dw: Pass the same rate to the clk round and set rate methods serial: 8250_dw: Simplify the ref clock rate setting procedure serial: 8250: Add 8250 port clock update method tty: serial: imx: add imx earlycon driver tty: serial: imx: enable imx serial console port as module tty/synclink: remove leftover bits of non-PCI card support tty: Use the preferred form for passing the size of a structure type tty: Fix identation issues in struct serial_struct32 tty: Avoid the use of one-element arrays serial: msm_serial: add sparse context annotation serial: pmac_zilog: add sparse context annotation newport_con: vc_color is now in state serial: imx: use hrtimers for rs485 delays ...
2020-07-27USB: iowarrior: fix up report size handling for some devicesGreg Kroah-Hartman1-10/+25
In previous patches that added support for new iowarrior devices, the handling of the report size was not done correct. Fix that up and update the copyright date for the driver Reworked from an original patch written by Christoph Jung. Fixes: bab5417f5f01 ("USB: misc: iowarrior: add support for the 100 device") Fixes: 5f6f8da2d7b5 ("USB: misc: iowarrior: add support for the 28 and 28L devices") Fixes: 461d8deb26a7 ("USB: misc: iowarrior: add support for 2 OEMed devices") Cc: stable <[email protected]> Reported-by: Christoph Jung <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-21usb: appledisplay: remove needless check before usb_free_coherent()Xu Wang1-2/+1
usb_free_coherent() is safe with NULL addr and this check is not required. Signed-off-by: Xu Wang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-21USB: Replace HTTP links with HTTPS onesAlexander A. Klimov1-2/+2
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-21usb: usbtest: reduce stack usage in test_queueBixuan Cui1-1/+9
Fix the warning: [-Werror=-Wframe-larger-than=] drivers/usb/misc/usbtest.c: In function 'test_queue': drivers/usb/misc/usbtest.c:2148:1: warning: the frame size of 1232 bytes is larger than 1024 bytes Reported-by: kbuild test robot <[email protected]> Acked-by: Alan Stern <[email protected]> Signed-off-by: Bixuan Cui <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-20Merge 5.8-rc6 into tty-nextGreg Kroah-Hartman1-0/+1
We need the serial/tty fixes in here as well. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-15usb: misc: sisusbvga: Move static const tables out to different include fileLee Jones3-631/+689
sisusb_init.h is included by multiple source files, but the big data tables contained are only referenced by one of them, leaving the tables 'defined but not used' by the remainder. We have a choice to either place them inside the source file, taking up may lines and potentially overwhelming the source file OR tuck them away neatly inside their own headerfile. The latter was chosen. Fixes the following W=1 kernel build warning(s): In file included from drivers/usb/misc/sisusbvga/sisusb.c:54: drivers/usb/misc/sisusbvga/sisusb_init.h:664:34: warning: ‘SiSUSB_VCLKData’ defined but not used [-Wunused-const-variable=] 664 | static const struct SiS_VCLKData SiSUSB_VCLKData[] = { | ^~~~~~~~~~~~~~~ drivers/usb/misc/sisusbvga/sisusb_init.h:406:35: warning: ‘SiSUSB_CRT1Table’ defined but not used [-Wunused-const-variable=] 406 | static const struct SiS_CRT1Table SiSUSB_CRT1Table[] = { | ^~~~~~~~~~~~~~~~ drivers/usb/misc/sisusbvga/sisusb_init.h:348:30: warning: ‘SiSUSB_RefIndex’ defined but not used [-Wunused-const-variable=] 348 | static const struct SiS_Ext2 SiSUSB_RefIndex[] = { | ^~~~~~~~~~~~~~~ drivers/usb/misc/sisusbvga/sisusb_init.h:269:29: warning: ‘SiSUSB_EModeIDTable’ defined but not used [-Wunused-const-variable=] 269 | static const struct SiS_Ext SiSUSB_EModeIDTable[] = { | ^~~~~~~~~~~~~~~~~~~ drivers/usb/misc/sisusbvga/sisusb_init.h:238:36: warning: ‘SiSUSB_StandTable’ defined but not used [-Wunused-const-variable=] 238 | static const struct SiS_StandTable SiSUSB_StandTable[] = { | ^~~~~~~~~~~~~~~~~ drivers/usb/misc/sisusbvga/sisusb_init.h:201:37: warning: ‘SiSUSB_ModeResInfo’ defined but not used [-Wunused-const-variable=] 201 | static const struct SiS_ModeResInfo SiSUSB_ModeResInfo[] = { | ^~~~~~~~~~~~~~~~~~ drivers/usb/misc/sisusbvga/sisusb_init.h:196:28: warning: ‘SiSUSB_SModeIDTable’ defined but not used [-Wunused-const-variable=] 196 | static const struct SiS_St SiSUSB_SModeIDTable[] = { | ^~~~~~~~~~~~~~~~~~~ drivers/usb/misc/sisusbvga/sisusb_init.h:183:28: warning: ‘SiS_VGA_DAC’ defined but not used [-Wunused-const-variable=] 183 | static const unsigned char SiS_VGA_DAC[] = { | ^~~~~~~~~~~ drivers/usb/misc/sisusbvga/sisusb_init.h:172:28: warning: ‘SiS_EGA_DAC’ defined but not used [-Wunused-const-variable=] 172 | static const unsigned char SiS_EGA_DAC[] = { | ^~~~~~~~~~~ drivers/usb/misc/sisusbvga/sisusb_init.h:161:28: warning: ‘SiS_CGA_DAC’ defined but not used [-Wunused-const-variable=] 161 | static const unsigned char SiS_CGA_DAC[] = { | ^~~~~~~~~~~ drivers/usb/misc/sisusbvga/sisusb_init.h:150:28: warning: ‘SiS_MDA_DAC’ defined but not used [-Wunused-const-variable=] 150 | static const unsigned char SiS_MDA_DAC[] = { | ^~~~~~~~~~~ Cc: Thomas Winischhofer <[email protected]> Cc: Joe Perches <[email protected]> Signed-off-by: Lee Jones <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-15usb: misc: sisusbvga: sisusb_init: Remove genunine unused static const arraysLee Jones1-31/+0
These are not referenced anywhere in the kernel. Fixes the following W=1 kernel build warning(s): drivers/usb/misc/sisusbvga/sisusb_init.h:171:29: warning: ‘ModeIndex_1280x1024’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:170:29: warning: ‘ModeIndex_1280x768’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:169:29: warning: ‘ModeIndex_1280x720’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:168:29: warning: ‘ModeIndex_1152x864’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:167:29: warning: ‘ModeIndex_1024x576’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:166:29: warning: ‘ModeIndex_1024x768’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:165:29: warning: ‘ModeIndex_960x600’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:164:29: warning: ‘ModeIndex_960x540’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:163:29: warning: ‘ModeIndex_856x480’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:162:29: warning: ‘ModeIndex_848x480’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:161:29: warning: ‘ModeIndex_800x600’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:160:29: warning: ‘ModeIndex_800x480’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:159:29: warning: ‘ModeIndex_768x576’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:158:29: warning: ‘ModeIndex_720x576’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:157:29: warning: ‘ModeIndex_720x480’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:156:29: warning: ‘ModeIndex_640x480’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:155:29: warning: ‘ModeIndex_640x400’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:154:29: warning: ‘ModeIndex_512x384’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:153:29: warning: ‘ModeIndex_400x300’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:152:29: warning: ‘ModeIndex_320x240’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:151:29: warning: ‘ModeIndex_320x200’ defined but not used [-Wunused-const-variable=] drivers/usb/misc/sisusbvga/sisusb_init.h:232:37: warning: ‘SiSUSB_ModeResInfo’ defined but not used [-Wunused-const-variable=] Cc: Thomas Winischhofer <[email protected]> Cc: Joe Perches <[email protected]> Signed-off-by: Lee Jones <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-15USB: sisusbvga: Fix a potential UB casued by left shifting a negative valueChangming Liu1-1/+1
The char buffer buf, receives data directly from user space, so its content might be negative and its elements are left shifted to form an unsigned integer. Since left shifting a negative value is undefined behavior, thus change the char to u8 to elimintate this UB. Signed-off-by: Changming Liu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-10usb: Use fallthrough pseudo-keywordGustavo A. R. Silva3-6/+6
Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <[email protected]> Link: https://lore.kernel.org/r/20200707195607.GA4198@embeddedor Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-09usb: misc: legousbtower: Demote function header which is clearly not kerneldocLee Jones1-1/+1
Fixes the following W=1 kernel build warning(s): drivers/usb/misc/legousbtower.c:280: warning: Function parameter or member 'dev' not described in 'lego_usb_tower_debug_data' drivers/usb/misc/legousbtower.c:280: warning: Function parameter or member 'function' not described in 'lego_usb_tower_debug_data' drivers/usb/misc/legousbtower.c:280: warning: Function parameter or member 'size' not described in 'lego_usb_tower_debug_data' drivers/usb/misc/legousbtower.c:280: warning: Function parameter or member 'data' not described in 'lego_usb_tower_debug_data' Cc: Juergen Stuber <[email protected]> Cc: David Glance <[email protected]> Cc: david <[email protected]> Cc: [email protected] Signed-off-by: Lee Jones <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-09usb: misc: legousbtower: Demote obvious misuse of kerneldoc to standard ↵Lee Jones1-12/+12
comment blocks No attempt has been made to document any of the demoted functions here. Fixes the following W=1 kernel build warning(s): drivers/usb/misc/legousbtower.c:280: warning: Function parameter or member 'dev' not described in 'lego_usb_tower_debug_data' drivers/usb/misc/legousbtower.c:280: warning: Function parameter or member 'function' not described in 'lego_usb_tower_debug_data' drivers/usb/misc/legousbtower.c:280: warning: Function parameter or member 'size' not described in 'lego_usb_tower_debug_data' drivers/usb/misc/legousbtower.c:280: warning: Function parameter or member 'data' not described in 'lego_usb_tower_debug_data' drivers/usb/misc/legousbtower.c:290: warning: Function parameter or member 'dev' not described in 'tower_delete' drivers/usb/misc/legousbtower.c:306: warning: Function parameter or member 'inode' not described in 'tower_open' drivers/usb/misc/legousbtower.c:306: warning: Function parameter or member 'file' not described in 'tower_open' drivers/usb/misc/legousbtower.c:405: warning: Function parameter or member 'inode' not described in 'tower_release' drivers/usb/misc/legousbtower.c:405: warning: Function parameter or member 'file' not described in 'tower_release' drivers/usb/misc/legousbtower.c:452: warning: Function parameter or member 'dev' not described in 'tower_check_for_read_packet' drivers/usb/misc/legousbtower.c:468: warning: Function parameter or member 'file' not described in 'tower_poll' drivers/usb/misc/legousbtower.c:468: warning: Function parameter or member 'wait' not described in 'tower_poll' drivers/usb/misc/legousbtower.c:494: warning: Function parameter or member 'file' not described in 'tower_llseek' drivers/usb/misc/legousbtower.c:494: warning: Function parameter or member 'off' not described in 'tower_llseek' drivers/usb/misc/legousbtower.c:494: warning: Function parameter or member 'whence' not described in 'tower_llseek' drivers/usb/misc/legousbtower.c:503: warning: Function parameter or member 'file' not described in 'tower_read' drivers/usb/misc/legousbtower.c:503: warning: Function parameter or member 'buffer' not described in 'tower_read' drivers/usb/misc/legousbtower.c:503: warning: Function parameter or member 'count' not described in 'tower_read' drivers/usb/misc/legousbtower.c:503: warning: Function parameter or member 'ppos' not described in 'tower_read' drivers/usb/misc/legousbtower.c:587: warning: Function parameter or member 'file' not described in 'tower_write' drivers/usb/misc/legousbtower.c:587: warning: Function parameter or member 'buffer' not described in 'tower_write' drivers/usb/misc/legousbtower.c:587: warning: Function parameter or member 'count' not described in 'tower_write' drivers/usb/misc/legousbtower.c:587: warning: Function parameter or member 'ppos' not described in 'tower_write' drivers/usb/misc/legousbtower.c:669: warning: Function parameter or member 'urb' not described in 'tower_interrupt_in_callback' drivers/usb/misc/legousbtower.c:724: warning: Function parameter or member 'urb' not described in 'tower_interrupt_out_callback' drivers/usb/misc/legousbtower.c:752: warning: Function parameter or member 'interface' not described in 'tower_probe' drivers/usb/misc/legousbtower.c:752: warning: Function parameter or member 'id' not described in 'tower_probe' drivers/usb/misc/legousbtower.c:863: warning: Function parameter or member 'interface' not described in 'tower_disconnect' Cc: Juergen Stuber <[email protected]> Cc: David Glance <[email protected]> Cc: david <[email protected]> Cc: [email protected] Signed-off-by: Lee Jones <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-09usb: misc: ldusb: Demote obvious misuse of kerneldoc to standard comment blocksLee Jones1-12/+12
No attempt has been made to document any of the demoted functions here. Fixes the following W=1 kernel build warning(s): drivers/usb/misc/ldusb.c:192: warning: Function parameter or member 'dev' not described in 'ld_usb_abort_transfers' drivers/usb/misc/ldusb.c:206: warning: Function parameter or member 'dev' not described in 'ld_usb_delete' drivers/usb/misc/ldusb.c:220: warning: Function parameter or member 'urb' not described in 'ld_usb_interrupt_in_callback' drivers/usb/misc/ldusb.c:281: warning: Function parameter or member 'urb' not described in 'ld_usb_interrupt_out_callback' drivers/usb/misc/ldusb.c:301: warning: Function parameter or member 'inode' not described in 'ld_usb_open' drivers/usb/misc/ldusb.c:301: warning: Function parameter or member 'file' not described in 'ld_usb_open' drivers/usb/misc/ldusb.c:372: warning: Function parameter or member 'inode' not described in 'ld_usb_release' drivers/usb/misc/ldusb.c:372: warning: Function parameter or member 'file' not described in 'ld_usb_release' drivers/usb/misc/ldusb.c:414: warning: Function parameter or member 'file' not described in 'ld_usb_poll' drivers/usb/misc/ldusb.c:414: warning: Function parameter or member 'wait' not described in 'ld_usb_poll' drivers/usb/misc/ldusb.c:439: warning: Function parameter or member 'file' not described in 'ld_usb_read' drivers/usb/misc/ldusb.c:439: warning: Function parameter or member 'buffer' not described in 'ld_usb_read' drivers/usb/misc/ldusb.c:439: warning: Function parameter or member 'count' not described in 'ld_usb_read' drivers/usb/misc/ldusb.c:439: warning: Function parameter or member 'ppos' not described in 'ld_usb_read' drivers/usb/misc/ldusb.c:526: warning: Function parameter or member 'file' not described in 'ld_usb_write' drivers/usb/misc/ldusb.c:526: warning: Function parameter or member 'buffer' not described in 'ld_usb_write' drivers/usb/misc/ldusb.c:526: warning: Function parameter or member 'count' not described in 'ld_usb_write' drivers/usb/misc/ldusb.c:526: warning: Function parameter or member 'ppos' not described in 'ld_usb_write' drivers/usb/misc/ldusb.c:651: warning: Function parameter or member 'intf' not described in 'ld_usb_probe' drivers/usb/misc/ldusb.c:651: warning: Function parameter or member 'id' not described in 'ld_usb_probe' drivers/usb/misc/ldusb.c:754: warning: Function parameter or member 'intf' not described in 'ld_usb_disconnect' Cc: Johan Hovold <[email protected]> Cc: Michael Hund <[email protected]> Cc: David Glance <[email protected]> Cc: Juergen Stuber <[email protected]> Signed-off-by: Lee Jones <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-09usb: misc: iowarrior: Demote obvious misuse of kerneldoc to standard comment ↵Lee Jones1-7/+7
blocks No attempt has been made to document any of the demoted functions here. Fixes the following W=1 kernel build warning(s): drivers/usb/misc/iowarrior.c:251: warning: Function parameter or member 'dev' not described in 'iowarrior_delete' drivers/usb/misc/iowarrior.c:279: warning: Function parameter or member 'file' not described in 'iowarrior_read' drivers/usb/misc/iowarrior.c:279: warning: Function parameter or member 'buffer' not described in 'iowarrior_read' drivers/usb/misc/iowarrior.c:279: warning: Function parameter or member 'count' not described in 'iowarrior_read' drivers/usb/misc/iowarrior.c:279: warning: Function parameter or member 'ppos' not described in 'iowarrior_read' drivers/usb/misc/iowarrior.c:483: warning: Function parameter or member 'file' not described in 'iowarrior_ioctl' drivers/usb/misc/iowarrior.c:483: warning: Function parameter or member 'cmd' not described in 'iowarrior_ioctl' drivers/usb/misc/iowarrior.c:483: warning: Function parameter or member 'arg' not described in 'iowarrior_ioctl' drivers/usb/misc/iowarrior.c:599: warning: Function parameter or member 'inode' not described in 'iowarrior_open' drivers/usb/misc/iowarrior.c:599: warning: Function parameter or member 'file' not described in 'iowarrior_open' drivers/usb/misc/iowarrior.c:647: warning: Function parameter or member 'inode' not described in 'iowarrior_release' drivers/usb/misc/iowarrior.c:647: warning: Function parameter or member 'file' not described in 'iowarrior_release' drivers/usb/misc/iowarrior.c:753: warning: Function parameter or member 'interface' not described in 'iowarrior_probe' drivers/usb/misc/iowarrior.c:753: warning: Function parameter or member 'id' not described in 'iowarrior_probe' drivers/usb/misc/iowarrior.c:879: warning: Function parameter or member 'interface' not described in 'iowarrior_disconnect' Cc: Johan Hovold <[email protected]> Cc: Christian Lucht <[email protected]> Cc: Stephane Dalton <[email protected]> Cc: Stephane Doyon <[email protected]> Signed-off-by: Lee Jones <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-09usb: misc: iowarrior: Fix odd corruption issue in the file headerLee Jones1-1/+1
Looks although Stephane's name was corrupted somehow. Cc: Johan Hovold <[email protected]> Cc: Christian Lucht <[email protected]> Cc: Stephane Dalton <[email protected]> Cc: Stephane Doyon <[email protected]> Signed-off-by: Lee Jones <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-09usb: misc: adutux: Demote obvious misuse of kerneldoc to standard comment blocksLee Jones1-3/+3
No attempt has been made to document any of the functions here. Fixes the following W=1 kernel build warning(s): drivers/usb/misc/adutux.c:117: warning: Function parameter or member 'dev' not described in 'adu_abort_transfers' drivers/usb/misc/adutux.c:653: warning: Function parameter or member 'interface' not described in 'adu_probe' drivers/usb/misc/adutux.c:653: warning: Function parameter or member 'id' not described in 'adu_probe' drivers/usb/misc/adutux.c:762: warning: Function parameter or member 'interface' not described in 'adu_disconnect' Cc: Johan Hovold <[email protected]> Cc: David Glance <[email protected]> Cc: Juergen Stuber <[email protected]> Signed-off-by: Lee Jones <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-06-29Merge 5.8-rc3 into usb-nextGreg Kroah-Hartman1-0/+1
We want the USB fixes in here, and this resolves a merge issue found in linux-next. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-06-24vt: use newly defined CUR_* macrosJiri Slaby1-1/+1
We defined macros for all the magic constants in the previous patch. So let us use the macro in the code now. No functional change intended. Signed-off-by: Jiri Slaby <[email protected]> Cc: Thomas Winischhofer <[email protected]> Cc: Bartlomiej Zolnierkiewicz <[email protected]> Cc: "James E.J. Bottomley" <[email protected]> Cc: Helge Deller <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Acked-by: Helge Deller <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-06-24vc: switch state to boolJiri Slaby1-1/+2
The code currently uses bitfields to store true-false values. Switch all of that to bools. Apart from the cleanup, it saves 20B of code as many shifts, ANDs, and ORs became simple movzb's. Signed-off-by: Jiri Slaby <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-06-24vt: introduce enum vc_intensity for intensityJiri Slaby1-3/+3
Introduce names (en enum) for 0, 1, and 2 constants. We now have VCI_HALF_BRIGHT, VCI_NORMAL, and VCI_BOLD instead. Apart from the cleanup, 1) the enum allows for better type checking, and 2) this saves some code. No more fiddling with bits is needed in assembly now. (OTOH, the structure is larger.) Signed-off-by: Jiri Slaby <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-06-24USB: ch9: add "USB_" prefix in front of TEST definesGreg Kroah-Hartman1-4/+4
For some reason, the TEST_ defines in the usb/ch9.h files did not have the USB_ prefix on it, making it a bit confusing when reading the file, as well as not the nicest thing to do in a uapi file. So fix that up and add the USB_ prefix on to them, and fix up all in-kernel usages. This included deleting the duplicate copy in the net2272.h file. Cc: Felipe Balbi <[email protected]> Cc: Michal Simek <[email protected]> Cc: Mathias Nyman <[email protected]> Cc: Pawel Laszczak <[email protected]> Cc: YueHaibing <[email protected]> Cc: Nathan Chancellor <[email protected]> Cc: Jason Yan <[email protected]> Cc: Jia-Ju Bai <[email protected]> Cc: Stephen Boyd <[email protected]> Cc: Christophe JAILLET <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Jules Irenge <[email protected]> Cc: Alan Stern <[email protected]> Cc: Thinh Nguyen <[email protected]> Cc: Rob Gill <[email protected]> Cc: Macpaul Lin <[email protected]> Acked-by: Minas Harutyunyan <[email protected]> Acked-by: Bin Liu <[email protected]> Acked-by: Chunfeng Yun <[email protected]> Acked-by: Peter Chen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-06-18usb: usbtest: fix missing kfree(dev->buf) in usbtest_disconnectZqiang1-0/+1
BUG: memory leak unreferenced object 0xffff888055046e00 (size 256): comm "kworker/2:9", pid 2570, jiffies 4294942129 (age 1095.500s) hex dump (first 32 bytes): 00 70 04 55 80 88 ff ff 18 bb 5a 81 ff ff ff ff .p.U......Z..... f5 96 78 81 ff ff ff ff 37 de 8e 81 ff ff ff ff ..x.....7....... backtrace: [<00000000d121dccf>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000d121dccf>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000d121dccf>] slab_alloc_node mm/slub.c:2786 [inline] [<00000000d121dccf>] slab_alloc mm/slub.c:2794 [inline] [<00000000d121dccf>] kmem_cache_alloc_trace+0x15e/0x2d0 mm/slub.c:2811 [<000000005c3c3381>] kmalloc include/linux/slab.h:555 [inline] [<000000005c3c3381>] usbtest_probe+0x286/0x19d0 drivers/usb/misc/usbtest.c:2790 [<000000001cec6910>] usb_probe_interface+0x2bd/0x870 drivers/usb/core/driver.c:361 [<000000007806c118>] really_probe+0x48d/0x8f0 drivers/base/dd.c:551 [<00000000a3308c3e>] driver_probe_device+0xfc/0x2a0 drivers/base/dd.c:724 [<000000003ef66004>] __device_attach_driver+0x1b6/0x240 drivers/base/dd.c:831 [<00000000eee53e97>] bus_for_each_drv+0x14e/0x1e0 drivers/base/bus.c:431 [<00000000bb0648d0>] __device_attach+0x1f9/0x350 drivers/base/dd.c:897 [<00000000838b324a>] device_initial_probe+0x1a/0x20 drivers/base/dd.c:944 [<0000000030d501c1>] bus_probe_device+0x1e1/0x280 drivers/base/bus.c:491 [<000000005bd7adef>] device_add+0x131d/0x1c40 drivers/base/core.c:2504 [<00000000a0937814>] usb_set_configuration+0xe84/0x1ab0 drivers/usb/core/message.c:2030 [<00000000e3934741>] generic_probe+0x6a/0xe0 drivers/usb/core/generic.c:210 [<0000000098ade0f1>] usb_probe_device+0x90/0xd0 drivers/usb/core/driver.c:266 [<000000007806c118>] really_probe+0x48d/0x8f0 drivers/base/dd.c:551 [<00000000a3308c3e>] driver_probe_device+0xfc/0x2a0 drivers/base/dd.c:724 Acked-by: Alan Stern <[email protected]> Reported-by: Kyungtae Kim <[email protected]> Signed-off-by: Zqiang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-06-18USB: sisusbvga: change char to u8 for sisusb_copy_memoryChangming Liu3-9/+9
sisusb_copy_memory is called in several places. sisusb_copy_memory calls sisusb_write_mem_bulk which is called by sisusb_write and sisusb_send_bulk_msg. change the related parameters from char to u8 accordingly Signed-off-by: Changming Liu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-06-18usb: sisusb_con: Use array_size() helper in memcpy()Gustavo A. R. Silva1-1/+1
Use array_size() helper instead of the open-coded version in memcpy(). These sorts of multiplication factors need to be wrapped in array_size(). This issue was found with the help of Coccinelle and, audited and fixed manually. Addresses-KSPP-ID: https://github.com/KSPP/linux/issues/83 Signed-off-by: Gustavo A. R. Silva <[email protected]> Link: https://lore.kernel.org/r/20200615231827.GA21348@embeddedor Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-06-14treewide: replace '---help---' in Kconfig files with 'help'Masahiro Yamada2-4/+4
Since commit 84af7a6194e4 ("checkpatch: kconfig: prefer 'help' over '---help---'"), the number of '---help---' has been gradually decreasing, but there are still more than 2400 instances. This commit finishes the conversion. While I touched the lines, I also fixed the indentation. There are a variety of indentation styles found. a) 4 spaces + '---help---' b) 7 spaces + '---help---' c) 8 spaces + '---help---' d) 1 space + 1 tab + '---help---' e) 1 tab + '---help---' (correct indentation) f) 1 tab + 1 space + '---help---' g) 1 tab + 2 spaces + '---help---' In order to convert all of them to 1 tab + 'help', I ran the following commend: $ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/' Signed-off-by: Masahiro Yamada <[email protected]>
2020-04-27Merge 5.7-rc3 into usb-nextGreg Kroah-Hartman2-17/+17
We need the USB fixes in here too. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-04-23USB: sisusbvga: Change port variable from signed to unsignedChangming Liu2-17/+17
Change a bunch of arguments of wrapper functions which pass signed integer to an unsigned integer which might cause undefined behaviors when sign integer overflow. Signed-off-by: Changming Liu <[email protected]> Cc: stable <[email protected]> Link: https://lore.kernel.org/r/BL0PR06MB45482D71EA822D75A0E60A2EE5D50@BL0PR06MB4548.namprd06.prod.outlook.com Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-04-16USB: misc: Use the correct style for SPDX License IdentifierNishad Kamdar4-4/+4
This patch corrects the SPDX License Identifier style in header files related to USB Miscellaneous drivers. For C header files Documentation/process/license-rules.rst mandates C-like comments (opposed to C source files where C++ style should be used). Changes made by using a script provided by Joe Perches here: https://lkml.org/lkml/2019/2/7/46. Suggested-by: Joe Perches <[email protected]> Signed-off-by: Nishad Kamdar <[email protected]> Link: https://lore.kernel.org/r/20200404094638.GA5319@nishad Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-03-10Merge 5.6-rc5 into usb-nextGreg Kroah-Hartman1-4/+16
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-03-04usb: usb251xb: fix regulator probe and error handlingMarco Felsch1-4/+16
Commit 4d7201cda226 ("usb: usb251xb: add vdd supply support") didn't covered the non-DT use-case and so the regualtor_enable() call during probe will fail on those platforms. Also the commit didn't handled the error case correctly. Move devm_regulator_get() out of usb251xb_get_ofdata() to address the 1st issue. This can be done without worries because devm_regulator_get() handles the non-DT use-case too. Add devm_add_action_or_reset() to address the 2nd bug. Fixes: 4d7201cda226 ("usb: usb251xb: add vdd supply support") Signed-off-by: Marco Felsch <[email protected]> Cc: stable <[email protected]> Acked-by: Richard Leitner <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-02-24Merge 5.6-rc3 into usb-nextGreg Kroah-Hartman1-2/+29
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-02-17USB: misc: iowarrior: add support for the 100 deviceGreg Kroah-Hartman1-2/+7
Add a new device id for the 100 devie. It has 4 interfaces like the 28 and 28L devices but a larger endpoint so more I/O pins. Cc: Christoph Jung <[email protected]> Cc: stable <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-02-13USB: apple-mfi-fastcharge: fix endianess issue in probeOliver Neukum1-3/+3
The product ID is little endian and needs to be converted. Reported-by: kbuild test robot <[email protected]> Signed-off-by: Oliver Neukum <[email protected]> Reviewed-by: Bastien Nocera <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-02-12USB: Add driver to control USB fast charge for iOS devicesBastien Nocera3-0/+248
iOS devices will not draw more than 500mA unless instructed to do so. Setting the charge type power supply property to "fast" tells the device to start drawing more power, using the same procedure that official "MFi" chargers would. Signed-off-by: Bastien Nocera <[email protected]> Acked-by: Alan Stern <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
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