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proc: proc_get_inode should de_put when inode already initialized

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de_get is called before every proc_get_inode, but corresponding de_put is
called only when dropping last reference to an inode. This might cause
something like
remove_proc_entry: /proc/stats busy, count=14496
to be printed to the syslog.

The fix is to call de_put in case of an already initialized inode in
proc_get_inode.

Signed-off-by: Krzysztof Sachanowicz <analyzer1@gmail.com>
Tested-by: Marcin Pilipczuk <marcin.pilipczuk@gmail.com>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Krzysztof Sachanowicz 2009-02-23 22:21:55 +01:00 committed by Linus Torvalds
parent 226485e9a9
commit cac711211a
1 changed files with 3 additions and 1 deletions
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4
fs/proc/inode.c
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@ -485,8 +485,10 @@ struct inode *proc_get_inode(struct super_block *sb, unsigned int ino,
}
}
unlock_new_inode(inode);
} else
} else {
module_put(de->owner);
de_put(de);
}
return inode;
out_ino: