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authorHans de Goede <hdegoede@redhat.com>2013-11-12 13:44:20 +0100
committerSarah Sharp <sarah.a.sharp@linux.intel.com>2014-03-05 00:38:22 +0100
commit61c09ce510a1eba8595beda6aac194f42571d768 (patch)
treedc99ca6f8b01509ab4b09738a362fc49a7a57344 /drivers/hwmon/ibmaem.c
parentuas: uas_alloc_data_urb: Remove unnecessary use_streams check (diff)
downloadlinux-61c09ce510a1eba8595beda6aac194f42571d768.tar.xz
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uas: Properly complete inflight commands on bus-reset or disconnect
Before this commit the uas driver would keep track of scsi commands which still need to have some urbs submitted to the device, and complete this with an ABORT result code on bus-reset or disconnect, but in flight scsi commands which have all their urbs submitted, and thus are not part of the work list, would never get their done callback called. The problem is killed sense urbs don't have any tag info, so it is impossible to tell which scsi cmd they belong to, so merely making sure all the urbs have completed one way or the other is not enough. This commit fixes this by changing the work list to an inflight list, which keeps tracks of all inflight scsi cmnds, using the IS_IN_WORK_LIST flag to determine if actual work needs to be done in uas_do_work(), and by moving marking all inflight scsi commands as aborted and moving them to the dead list on bus-reset or disconnect. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Diffstat (limited to 'drivers/hwmon/ibmaem.c')
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