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2010-07-01fs-writeback: fix kernel-doc warningsRandy Dunlap1-1/+1
Fix kernel-doc to match the function's changed args. Warning(fs/fs-writeback.c:190): No description found for parameter 'args' Warning(fs/fs-writeback.c:190): Excess function parameter 'sb' description in 'bdi_queue_work_onstack' Signed-off-by: Randy Dunlap <[email protected]> Cc: Christoph Hellwig <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
2010-06-30x86, Calgary: Limit the max PHB number to 256Darrick J. Wong1-3/+1
The x3950 family can have as many as 256 PCI buses in a single system, so change the limits to the maximum. Since there can only be 256 PCI buses in one domain, we no longer need the BUG_ON check. Signed-off-by: Darrick J. Wong <[email protected]> LKML-Reference: <[email protected]> Signed-off-by: H. Peter Anvin <[email protected]>
2010-07-01drm/radeon/kms: remove rv100 bios connector quirkAlex Deucher1-9/+0
Some RV100 cards with 2 VGA ports show up with DVI+VGA, however some boards with DVI+VGA have the same subsystem ids. Better to have a VGA port show up as DVI than having a non-useable DVI port. reported by DHR in irc. Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms/pm: fix power state indexing on igp chips in dynpm modeAlex Deucher1-3/+8
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=28745 Signed-off-by: Alex Deucher <[email protected]> Tested-by: Rafał Miłecki <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01DRM / radeon / KMS: Fix hibernation regression related to radeon PM (was: ↵Rafael J. Wysocki2-8/+36
Re: [Regression, post-2.6.34] Hibernation broken on machines with radeon/KMS and r300) There is a regression from 2.6.34 related to the recent radeon power management changes, caused by attempting to cancel a delayed work item that's never been scheduled. However, the code as is has some other issues potentially leading to visible problems. First, the mutex around cancel_delayed_work() in radeon_pm_suspend() doesn't really serve any purpose, because cancel_delayed_work() only tries to delete the work's timer. Moreover, it doesn't prevent the work handler from running, so the handler can do some wrong things if it wins the race and in that case it will rearm itself to do some more wrong things going forward. So, I think it's better to wait for the handler to return in case it's already been queued up for execution. Also, it should be prevented from rearming itself in that case. Second, in radeon_set_pm_method() the cancel_delayed_work() is not sufficient to prevent the work handler from running and queing up itself for the next run (the failure scenario is that cancel_delayed_work() returns 0, so the handler is run, it waits on the mutex and then rearms itself after the mutex has been released), so again the work handler should be prevented from rearming itself in that case.. Finally, there's a potential deadlock in radeon_pm_fini(), because cancel_delayed_work_sync() is called under rdev->pm.mutex, but the work handler tries to acquire the same mutex (if it wins the race). Fix the issues described above. Signed-off-by: Rafael J. Wysocki <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms/igp: fix possible divide by 0 in bandwidth code (v2)Alex Deucher3-17/+23
Some IGP systems specify the system memory clock in the Firmware table rather than the IGP info table. Check both and make sure we have a value system memory clock value. v2: make sure rs690_pm_info is called on rs780/rs880 as well. fixes a regression since 07d4190327b02ab3aaad25a2d168f79d92e8f8c2. Reported-by: Markus Trippelsdorf <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Tested-by: Markus Trippelsdorf <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon: add quirk to make HP nx6125 laptop resume.Dave Airlie1-0/+8
For some reason on resume, executing the BIOS scripts locks up the whole chipset, by avoiding the dynclk table the machine resumes properly and seems to function okay. Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms: add some missing regs to evergreen gpu initAlex Deucher2-0/+26
Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms: fix typos in evergreen command checkerAlex Deucher2-7/+7
Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms: avoid oops on mac r4xx cardsAlex Deucher1-0/+7
They don't have an atombios so don't attempt to use it for eng/mem clocks. Reported by spoonb on #radeon fixes: https://bugs.freedesktop.org/show_bug.cgi?id=28671 Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01fb: fix colliding defines for fb flags.Dave Airlie1-2/+2
When I added the flags I must have been using a 25 line terminal and missed the following flags. The collided with flag has one user in staging despite being in-tree for 5 years. I'm happy to push this via my drm tree unless someone really wants to do it. Signed-off-by: Dave Airlie <[email protected]> Cc: [email protected]
2010-07-01drm/radeon/kms: Force HDP_NONSURF to maximum sizeJerome Glisse3-3/+3
HDP non surface should cover the whole VRAM but we were misscomputing the size and we endup in some case not covering the VRAM at all (if VRAM size were > 1G). Covering more than the VRAM size shouldn't be an issue. Fix : https://bugs.freedesktop.org/show_bug.cgi?id=28016 [airlied: add evergreen fix] Signed-off-by: Jerome Glisse <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms: disable frac fb dividers for rs6xxAlex Deucher1-1/+1
Should fix fdo bug 28331: https://bugs.freedesktop.org/show_bug.cgi?id=28331 Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms: don't read attempt to read bios from VRAM on unposted GPU.Dave Airlie1-0/+4
Since the VGA switcheroo, we'd attempt to read the BIOS from VRAM on startup but on some unposted cards this can cause hangs/crashes. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=28592 (further problem pointed out by agd5f on IGP systems) Reported-by: Reilithion on #radeon Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms: fix typo in evergreen_gpu_initAlex Deucher1-5/+5
Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms: return ret in cursor_set failure pathMatt Turner1-1/+1
We were returning 0 in both the success and failure paths. Noticed while investigating FDO bug 26403. Signed-off-by: Matt Turner <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/ttm: non pooled page allocation should have GFP_USER setJerome Glisse1-1/+1
Non pooled page allocation should have GFP_USER set so allocation can wait and reclaim page from other process (ie non atomic). Signed-off-by: Jerome Glisse <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/r100/r200: fix calculation of compressed cube mapsRoland Scheidegger1-27/+31
This needs similar handling to other compressed textures. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=26428 Signed-off-by: [email protected] Signed-off-by: Alex Deucher <[email protected]> Cc: stable <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/r200: handle more hw tex coord typesRoland Scheidegger1-0/+2
Code did not handle projected 2d and depth coordinates, meaning potentially set 3d or cube special handling might stick. (Not sure what depth coord actually does, but I guess handling it like a normal coordinate is the right thing to do.) Might be related to https://bugs.freedesktop.org/show_bug.cgi?id=26428 Signed-off-by: [email protected] Signed-off-by: Alex Deucher <[email protected]> Cc: stable <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms: CS checker texture fixes for r1xx/r2xx/r3xxRoland Scheidegger3-0/+11
fixes: https://bugs.freedesktop.org/show_bug.cgi?id=28459 agd5f: apply to r1xx/r2xx as well. Signed-off-by: Roland Scheidegger <[email protected]> Cc: [email protected] Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon: add fake RN50 table for powerpcDave Airlie2-0/+33
This works well enough on a js21, but it would be nice if IBM could supply more tables for the later Power6/7 machines. Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/fb: Fix video= mode computationAdam Jackson1-6/+13
Reduced blanking is valid only when doing CVT modes. Also, generate GTF modes unless CVT was requested; CVT devices are required to support GTF, but the reverse is not true. [airlied: fix typo] Signed-off-by: Adam Jackson <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms: fix DP after DPMS cycleAlex Deucher1-2/+2
The transmitter needs to be enabled before the link is trained. Reported-By: Lars Doelle <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Cc: stable <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms: fix dpms state on resumeCedric Godin1-0/+7
When suspending, we turn the display hw off, at resume the screen will stay black. This patch turn it on. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=16180 Signed-off-by: Cedric Godin <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-07-01drm/radeon/kms: fix bandwidth calculation when sideport is presentAlex Deucher1-5/+1
Fixes fdo bug 27529: https://bugs.freedesktop.org/show_bug.cgi?id=27529 Reported-by: [email protected] Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-30Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6Linus Torvalds16-68/+145
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: Staging: rtl8192u_usb: Add LG device ID 043e:7a01 Staging: rtl8192s_usb: Remove duplicate device ID Staging: rt2870: add device id for Zyxel NWD-270N Staging: comedi: fix read past end of array in cb_pcidda_attach() Staging: rtl8192su: add device ids Staging: rtl8192su: remove device ids Staging: rtl8187se: Fix compile warnings in 2.6.35-rc2 Staging: wlags49_h2: Fix build error when CONFIG_SYSFS is not set Staging: wlags49_h2: add missing <linux/string.h> for strlen Staging: hv: fix hv_utils module to properly autoload staging: hv: Fix race condition on vmbus channel initialization Staging: comedi: drivers: adl_pci9111: Fix AI commands in TRIG_FOLLOW case Staging: mrst-touchscreen: fix dereferencing free memory Staging: batman-adv: fix function prototype Staging: batman-adv: return -EFAULT on copy_to_user errors staging: usbip: usbip_common: kill rx thread on tx thread creation error.
2010-06-30Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds19-225/+209
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (22 commits) USB: gadget: f_mass_storage: stale common->fsg value bug fix USB: gadget: f_mass_storage: fixed fs descriptors not being updated USB: musb: Enable the maximum supported burst mode for DMA USB: musb: fix Blackfin ulpi stubs USB: MUSB: make non-OMAP platforms build with CONFIG_PM=y USB: musb_core: make disconnect and suspend interrupts work again USB: obey the sysfs power/wakeup setting USB: gadget eth: Fix calculate CRC32 in EEM USB: qcserial: fix a memory leak in qcprobe error path USB: gadget/printer, fix sleep inside atomic USB: isp1362-hcd, fix double lock USB: serial: ftdi: correct merge conflict with CONTEC id USB: fix oops in usb_sg_init() USB: s3c2410: deactivate endpoints before gadget unbinding USB: ehci-mxc: bail out on transceiver problems USB: otg/ulpi: bail out on read errors usb: musb: Fix a bug by making suspend interrupt available in device mode USB: r8a66597: Fix failure in change of status USB: xHCI: Fix bug in link TRB activation change. USB: gadget: g_fs: possible invalid pointer reference bug fixed ...
2010-06-30Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6Linus Torvalds1-64/+79
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: serial: cpm_uart: implement the cpm_uart_early_write() function for console poll
2010-06-30Merge branch 'omap-fixes-for-linus' of ↵Linus Torvalds8-12/+20
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 * 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: OMAP: hwmod: Fix the missing braces OMAP4: clock: Fix multi-omap boot with reset un-used clocks OMAP3: PM: fix IO daisy chain enable to use PM_WKEN reg omap: GPIO: fix auto-disable of debounce clock omap: DMTIMER: Ack pending interrupt always when stopping a timer omap: Stalker board: switch over to gpio_set_debounce omap: fix build failure due to missing include dma-mapping.h omap iommu: Fix Memory leak
2010-06-30Add mdr as maintainer of qla1280 driver.Jes Sorensen1-0/+6
As discussed with Mike Reed, add him as the maintainer of the qla1280 driver as I no longer have any hardware and he is actively looking after it. Signed-off-by: Jes Sorensen <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2010-06-30futex: futex_find_get_task remove credentails checkMichal Hocko1-13/+4
futex_find_get_task is currently used (through lookup_pi_state) from two contexts, futex_requeue and futex_lock_pi_atomic. None of the paths looks it needs the credentials check, though. Different (e)uids shouldn't matter at all because the only thing that is important for shared futex is the accessibility of the shared memory. The credentail check results in glibc assert failure or process hang (if glibc is compiled without assert support) for shared robust pthread mutex with priority inheritance if a process tries to lock already held lock owned by a process with a different euid: pthread_mutex_lock.c:312: __pthread_mutex_lock_full: Assertion `(-(e)) != 3 || !robust' failed. The problem is that futex_lock_pi_atomic which is called when we try to lock already held lock checks the current holder (tid is stored in the futex value) to get the PI state. It uses lookup_pi_state which in turn gets task struct from futex_find_get_task. ESRCH is returned either when the task is not found or if credentials check fails. futex_lock_pi_atomic simply returns if it gets ESRCH. glibc code, however, doesn't expect that robust lock returns with ESRCH because it should get either success or owner died. Signed-off-by: Michal Hocko <[email protected]> Acked-by: Darren Hart <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Nick Piggin <[email protected]> Cc: Alexey Kuznetsov <[email protected]> Cc: Peter Zijlstra <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2010-06-30bonding: check if clients MAC addr has changedFlavio Leitner1-1/+2
When two systems using bonding devices in adaptive load balancing (ALB) communicates with each other, an endless ping-pong of ARP replies starts between these two systems. What happens? In the ALB mode, bonding driver keeps track of each client connected in a hash table, so it can do the receive load balancing (RLB). This hash table is updated when an ARP reply is received, then it scans for the client entry, updates its MAC address and flag it to be announced later. Therefore, two seconds later, the alb monitor runs and send for each updated client entry two ARP replies updating this specific client. The same process happens on the receiving system, causing the endless ping-pong of arp replies. See more information including the relevant functions below: System 1 System 2 bond0 bond0 ping <system2> ARP request ---------> <--------- ARP reply +->rlb_arp_recv <---------------------+ <--- loop begins | rlb_update_entry_from_arp | | client_info->ntt = 1; | | bond_info->rx_ntt = 1; | | | | <communication succeed> | | | | bond_alb_monitor | | rlb_update_rx_clients | | rlb_update_client | | arp_create(ARPOP_REPLY) | | send ARP reply --------------> V | send ARP reply --------------> | rlb_arp_recv | rlb_update_entry_from_arp | client_info->ntt = 1; | bond_info->rx_ntt = 1; | < snipped, same as in system 1> +------- <-------------- send ARP reply <-------------- send ARP reply Besides the unneeded networking traffic, this loop breaks a cluster because a backup system can't take over the IP address. There is always one system sending an ARP reply poisoning the network. This patch fixes the problem adding a check for the MAC address before updating it. Thus, if the MAC address didn't change, there is no need to update neither to announce it later. Signed-off-by: Flavio Leitner <[email protected]> Signed-off-by: Jay Vosburgh <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-06-30Bluetooth: Fix abuse of the preincrement operatorDavid Howells1-1/+1
Fix abuse of the preincrement operator as detected when building with gcc 4.6.0: CC [M] drivers/bluetooth/hci_bcsp.o drivers/bluetooth/hci_bcsp.c: In function 'bcsp_prepare_pkt': drivers/bluetooth/hci_bcsp.c:247:20: warning: operation on 'bcsp->msgq_txseq' may be undefined Reported-by: Justin P. Mattock <[email protected]> Signed-off-by: David Howells <[email protected]> Acked-by: Gustavo F. Padovan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-06-30mv643xx_eth: use sw csum for big packetsSaeed Bishara2-2/+12
Some controllers (KW, Dove) limits the TX IP/layer4 checksum offloading to a max size. Signed-off-by: Saeed Bishara <[email protected]> Acked-by: Lennert Buytenhek <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-06-30Merge branch 'master' of ↵David S. Miller4-7/+18
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2010-06-30[IA64] Fix spinaphore down_spin()Tony Luck1-1/+1
Typo in down_spin() meant it only read the low 32 bits of the "serve" value, instead of the full 64 bits. This results in the system hanging when the values in ticket/serve get larger than 32-bits. A big enough system running the right test can hit this in a just a few hours. Broken since 883a3acf5b0d4782ac35981227a0d094e8b44850 [IA64] Re-implement spinaphores using ticket lock concepts Reported via IRC by Bjorn Helgaas Signed-off-by: Tony Luck <[email protected]>
2010-06-30xfrm: fix XFRMA_MARK extraction in xfrm_mark_getAndreas Steffen1-1/+1
Determine the size of the xfrm_mark struct, not of its pointer. Signed-off-by: Andreas Steffen <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-06-30Staging: rtl8192u_usb: Add LG device ID 043e:7a01Ben Hutchings1-0/+2
Add another device ID as listed in the vendor driver version 0003.0825.2009. Signed-off-by: Ben Hutchings <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2010-06-30Staging: rtl8192s_usb: Remove duplicate device IDBen Hutchings1-1/+0
Signed-off-by: Ben Hutchings <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2010-06-30Staging: rt2870: add device id for Zyxel NWD-270NOzan Çağlayan1-0/+1
Add device id for Zyxel NWD-270N USB dongle. Signed-off-by: Ozan Çağlayan <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2010-06-30Staging: comedi: fix read past end of array in cb_pcidda_attach()Dan Carpenter1-2/+1
There are only 6 elements in the cb_pcidda_boards[] array so the original code read past the end. After this change nothing uses N_BOARDS so I removed the definition. Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2010-06-30Staging: rtl8192su: add device idsFlorian Schilhabel1-7/+23
This patch adds some device ids. The list of supported devices was extracted from realteks driver package. (0x050d, 0x815F) and (0x0df6, 0x004b) are not in the official list of supported devices and may not work correctly. In case of problems with these, they should probably be removed from the list. Signed-off-by: Florian Schilhabel <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2010-06-30Staging: rtl8192su: remove device idsFlorian Schilhabel1-14/+0
This patch removes some device-ids. The list of unsupported devices was extracted from realteks driver package. removed IDs are: (0x0bda, 0x8192) (0x0bda, 0x8709) (0x07aa, 0x0043) (0x050d, 0x805E) (0x0df6, 0x0031) (0x1740, 0x9201) (0x2001, 0x3301) (0x5a57, 0x0290) These devices are _not_ rtl819su based. Signed-off-by: Florian Schilhabel <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2010-06-30Staging: rtl8187se: Fix compile warnings in 2.6.35-rc2Larry Finger1-2/+0
In commit bbfb5652, the spacing in the definitions of eqMacAddr and cpMacAddr in drivers/staging/rtl8187se/r8180_core.c were changed to conform to kernel standards. These definitions were duplicates of lines found in drivers/staging/rtl8187se/ieee80211/dot11d.h. Once the change was made, the following warnings were emitted: CC [M] drivers/staging/rtl8187se/r8180_core.o drivers/staging/rtl8187se/r8180_core.c:69:0: warning: "eqMacAddr" redefined drivers/staging/rtl8187se/ieee80211/dot11d.h:39:0: note: this is the location of the previous definition drivers/staging/rtl8187se/r8180_core.c:70:0: warning: "cpMacAddr" redefined drivers/staging/rtl8187se/ieee80211/dot11d.h:40:0: note: this is the location of the previous definition The fix is to keep only the difinition in the header file. Signed-off-by: Larry Finger <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2010-06-30Staging: wlags49_h2: Fix build error when CONFIG_SYSFS is not setJavier Martinez Canillas1-2/+2
I got a wlags49_h2 driver build error in linux-next when CONFIG_SYSFS is not set. CC [M] drivers/staging/wlags49_h2/wl_cs.o In file included from drivers/staging/wlags49_h2/wl_cs.c:104: drivers/staging/wlags49_h2/wl_sysfs.h: In function ‘register_wlags_sysfs’: drivers/staging/wlags49_h2/wl_sysfs.h:5: error: parameter name omitted drivers/staging/wlags49_h2/wl_sysfs.h: In function ‘unregister_wlags_sysfs’: drivers/staging/wlags49_h2/wl_sysfs.h:6: error: parameter name omitted make[1]: *** [drivers/staging/wlags49_h2/wl_cs.o] Error 1 make: *** [_module_drivers/staging/wlags49_h2] Error 2 This is due a wrong function definition (it does not include parameters names). Signed-off-by: Javier Martinez Canillas <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2010-06-30Staging: wlags49_h2: add missing <linux/string.h> for strlenJeff Mahoney1-0/+1
On ia64, the build fails with incompatible implicit definition of strlen. This patch adds the <linux/string.h> include to get the real prototype. Signed-off-by: Jeff Mahoney <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2010-06-30Staging: hv: fix hv_utils module to properly autoloadHaiyang Zhang1-0/+28
Added autoloading based on pci id and dmi strings. Signed-off-by: Haiyang Zhang <[email protected]> Signed-off-by: Hank Janssen <[email protected]> Cc: stable <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2010-06-30staging: hv: Fix race condition on vmbus channel initializationHaiyang Zhang3-11/+35
There is a possible race condition when hv_utils starts to load immediately after hv_vmbus is loading - null pointer error could happen. This patch added wait/completion to ensure all channels are ready before vmbus loading completes. So another module won't have any uninitialized channel. Signed-off-by: Haiyang Zhang <[email protected]> Signed-off-by: Hank Janssen <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2010-06-30Staging: comedi: drivers: adl_pci9111: Fix AI commands in TRIG_FOLLOW caseIan Abbott1-3/+6
I received a report that AI streaming acquisitions do not work properly for the adl_pci9111 driver when convert_src is TRIG_TIMER and scan_begin_src is TRIG_FOLLOW (and scan_begin_arg is therefore 0). This seems to be down to the incorrect setting of dev_private->scan_delay in pci9111_ai_do_cmd(). Under the previously stated conditions, dev_private->scan_delay ends up set to (unsigned int)-1, but it ought to be set to 0. The function sets it to 0 initially, and it only makes sense to change it if both convert_src and scan_begin_src are set to TRIG_TIMER. Note: 'scan_delay' is the number of unwanted scans to discard after each valid scan. The hardware does not support 'scan' timing as such, just a regularly paced conversion timer (with automatic channel switching between conversions). The driver simulates a scan period that is some (>1) multiple of the conversion period times the scan length (chanlist_len samples) by reading chanlist_len samples and discarding the next scan_delay times chanlist_len samples. Signed-off-by: Ian Abbott <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2010-06-30Staging: mrst-touchscreen: fix dereferencing free memoryDan Carpenter1-1/+1
I moved the kfree() down a couple lines after the dereference. Signed-off-by: Dan Carpenter <[email protected]> Acked-by: Alan Cox <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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