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authorVaughan Cao <vaughan.cao@oracle.com>2013-08-29 06:00:38 +0400
committerJames Bottomley <JBottomley@Parallels.com>2013-09-03 18:28:09 +0400
commite32c9e6300e3af659cbfe45e90a1e7dcd3572ada (patch)
tree2e924a5838335cbfca0cf52a0add8e38801773e2 /drivers/scsi/esas2r
parent00b2d9d6d05b56fc1d77071ff8ccbd2c65b48dec (diff)
downloadlinux-e32c9e6300e3af659cbfe45e90a1e7dcd3572ada.tar.xz
[SCSI] sg: checking sdp->detached isn't protected when open
@detached is set under the protection of sg_index_lock. Without getting the lock, new sfp will be added during sg removal and there is no chance for it to be picked out. So check with sg_index_lock held in sg_add_sfp(). Signed-off-by: Vaughan Cao <vaughan.cao@oracle.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/esas2r')
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