linux-kernel - [PATCH] befs: fix return value check in befs

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Message-ID: <CAPgLHd_bHP-DMMbsFkc1RwmDK4dp+cZY8LRBFyDDuoEohJ-O_g@mail.gmail.com>
Date:	Tue, 29 Oct 2013 10:00:07 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	viro@...iv.linux.org.uk, ebiederm@...ssion.com,
	keescook@...omium.org, serge.hallyn@...onical.com
Cc:	yongjun_wei@...ndmicro.com.cn, linux-kernel@...r.kernel.org
Subject: [PATCH] befs: fix return value check in befs_iget()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

In case of error, the function iget_locked() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check should
be replaced with NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 fs/befs/linuxvfs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index e9c75e2..d714dda 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -319,8 +319,8 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino)
 	befs_debug(sb, "---> befs_read_inode() " "inode = %lu", ino);
 
 	inode = iget_locked(sb, ino);
-	if (IS_ERR(inode))
-		return inode;
+	if (!inode)
+		return ERR_PTR(-ENOMEM);
 	if (!(inode->i_state & I_NEW))
 		return inode;
 

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