From: Li Zefan <lizf@cn.fujitsu.com>
To: NeilBrown <neilb@suse.de>, "J. Bruce Fields" <bfields@citi.umich.edu>
Cc: David Miller <davem@davemloft.net>,
LKML <linux-kernel@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: [PATCH] sunrpc/cache: fix module refcnt leak in a failure path
Date: Tue, 02 Feb 2010 14:48:09 +0800 [thread overview]
Message-ID: <4B67CAA9.4070108@cn.fujitsu.com> (raw)
Don't forget to release the module refcnt if seq_open()
returns failure.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
---
net/sunrpc/cache.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 39bddba..b7af6b2 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -1233,8 +1233,10 @@ 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;
--
1.6.3
reply other threads:[~2010-02-02 6:48 UTC|newest]
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