From: Milton Miller <miltonm@bga.com>
Date: Thu, 14 Apr 2011 15:30:08 +0000 (-0500)
Subject: fs: synchronize_rcu when unregister_filesystem success not failure
X-Git-Tag: v2.6.39-rc4~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fff3e5ade4455a4b42a19c95dd7a167a3cb7956a;p=pandora-kernel.git

fs: synchronize_rcu when unregister_filesystem success not failure

While checking unregister_filesystem for saftey vs extra calls for
"ext4: register ext2 and ext3 alias after ext4" I realized that
the synchronize_rcu() was called on the error path but not on
the success path.

Cc: stable (2.6.38)
Signed-off-by: Milton Miller <miltonm@bga.com>
[ This probably won't really make a difference since commit d863b50ab013
  ("vfs: call rcu_barrier after ->kill_sb()"), but it's the right thing
  to do.  - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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