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authorLinus Torvalds <torvalds@linux-foundation.org>2015-03-08 12:47:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-03-08 12:47:18 -0700
commit1163d504ae69b5e83ab16900f6a96e30bd78bda5 (patch)
tree6e6509144c3e1adf97607c91371fd38f985da398 /drivers/usb/storage/usb.c
parentbbbce516bb497404315c1d0a1b13a04038347d3d (diff)
parentb8cb91e058cd0c0f02059c1207293c5b31d350fa (diff)
Merge tag 'usb-4.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH: "Here's a round of USB fixes for 4.0-rc3. Nothing major, the usual gadget, xhci and usb-serial fixes and a few new device ids as well. All have been in linux-next successfully" * tag 'usb-4.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (36 commits) xhci: Workaround for PME stuck issues in Intel xhci xhci: fix reporting of 0-sized URBs in control endpoint usb: ftdi_sio: Add jtag quirk support for Cyber Cortex AV boards USB: ch341: set tty baud speed according to tty struct USB: serial: cp210x: Adding Seletek device id's USB: pl2303: disable break on shutdown USB: mxuport: fix null deref when used as a console USB: serial: clean up bus probe error handling USB: serial: fix port attribute-creation race USB: serial: fix tty-device error handling at probe USB: serial: fix potential use-after-free after failed probe USB: console: add dummy __module_get USB: ftdi_sio: add PIDs for Actisense USB devices Revert "USB: serial: make bulk_out_size a lower limit" cdc-acm: Add support for Denso cradle CU-321 usb-storage: support for more than 8 LUNs uas: Add US_FL_NO_REPORT_OPCODES for JMicron JMS539 USB: usbfs: don't leak kernel data in siginfo xhci: Clear the host side toggle manually when endpoint is 'soft reset' xhci: Allocate correct amount of scratchpad buffers ...
Diffstat (limited to 'drivers/usb/storage/usb.c')
-rw-r--r--drivers/usb/storage/usb.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index d468d02179f4..5600c33fcadb 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -889,6 +889,12 @@ static void usb_stor_scan_dwork(struct work_struct *work)
!(us->fflags & US_FL_SCM_MULT_TARG)) {
mutex_lock(&us->dev_mutex);
us->max_lun = usb_stor_Bulk_max_lun(us);
+ /*
+ * Allow proper scanning of devices that present more than 8 LUNs
+ * While not affecting other devices that may need the previous behavior
+ */
+ if (us->max_lun >= 8)
+ us_to_host(us)->max_lun = us->max_lun+1;
mutex_unlock(&us->dev_mutex);
}
scsi_scan_host(us_to_host(us));