From: James Bottomley <JBottomley@Parallels.com>
Date: Fri, 25 Oct 2013 09:26:38 +0000 (+0100)
Subject: [SCSI] Revert "sg: no need sg_open_exclusive_lock"
X-Git-Tag: v3.12~33^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=98481ff0bb8792ebfb832e330e56d3c629ba5fa6;p=pandora-kernel.git

[SCSI] Revert "sg: no need sg_open_exclusive_lock"

This reverts commit 00b2d9d6d05b56fc1d77071ff8ccbd2c65b48dec.

This is one of four patches that was causing this bug

[  205.372823] ================================================
[  205.372901] [ BUG: lock held when returning to user space! ]
[  205.372979] 3.12.0-rc6-hw-debug-pagealloc+ #67 Not tainted
[  205.373055] ------------------------------------------------
[  205.373132] megarc.bin/5283 is leaving the kernel with locks still held!
[  205.373212] 1 lock held by megarc.bin/5283:
[  205.373285]  #0:  (&sdp->o_sem){.+.+..}, at: [<ffffffff8161e650>] sg_open+0x3a0/0x4d0

Cc: Vaughan Cao <vaughan.cao@oracle.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

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