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sunrpc/cache: fix module refcnt leak in a failure path

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Don't forget to release the module refcnt if seq_open() returns failure.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: J. Bruce Fields <bfields@fieldses.org>
Cc: Neil Brown <neilb@suse.de>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Li Zefan 2010-03-11 14:08:10 -08:00 committed by J. Bruce Fields
parent 91885258e8
commit a5990ea125
1 changed files with 3 additions and 1 deletions
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4
net/sunrpc/cache.c
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@ -1244,8 +1244,10 @@ static int content_open(struct inode *inode, struct file *file,
if (!cd || !try_module_get(cd->owner))
return -EACCES;
han = __seq_open_private(file, &cache_content_op, sizeof(*han));
if (han == NULL)
if (han == NULL) {
module_put(cd->owner);
return -ENOMEM;
}
han->cd = cd;
return 0;