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vfs: add missing unlock in sget()

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In sget(), destroy_super(s) is called with s->s_umount held, which makes
lockdep unhappy.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Li Zefan 2009-03-12 14:31:29 -07:00 committed by Linus Torvalds
parent e5bc49ba74
commit a3cfbb53b1
1 changed files with 4 additions and 1 deletions
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5
fs/super.c
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@ -371,8 +371,10 @@ retry:
continue;
if (!grab_super(old))
goto retry;
if (s)
if (s) {
up_write(&s->s_umount);
destroy_super(s);
}
return old;
}
}
@ -387,6 +389,7 @@ retry:
err = set(s, data);
if (err) {
spin_unlock(&sb_lock);
up_write(&s->s_umount);
destroy_super(s);
return ERR_PTR(err);
}