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[SCSI] scsi_pm: set device runtime state before parent suspended
authorLin Ming <ming.m.lin@intel.com>
Fri, 6 Jul 2012 04:06:57 +0000 (12:06 +0800)
committerJames Bottomley <JBottomley@Parallels.com>
Fri, 20 Jul 2012 07:58:55 +0000 (08:58 +0100)
commit33a2285d96b5e7b9500612ec623bf4313397bb53
tree08d9f292b021ebb3c447421534913e8221de41e5tree
parent4bdd03e61b7a5c4c6bc2b25d46fcd491788fdfb3commit | diff
[SCSI] scsi_pm: set device runtime state before parent suspended

There is a race in scsi_bus_resume_common when set device's runtime
state to active after pm_runtime_put_sync(dev->parent).

Parent device may have been suspended so pm_runtime_set_active(dev) will
fail with -EBUSY.

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
drivers/scsi/scsi_pm.c diff | blob | blame | history
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