tree 782685d5e479c5a5e167304868c43eca623e6a9e
parent d733ed6c34be3aef0517a04e4103eed6b369ec50
author Milton Miller <miltonm@bga.com> 1302795008 -0500
committer Linus Torvalds <torvalds@linux-foundation.org> 1303062121 -0700

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>