linux-kernel - [PATCH 15/16] GFS2: add error check while allocating new inodes

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Date:	Fri, 30 Nov 2012 09:52:20 +0000
From:	Steven Whitehouse <swhiteho@...hat.com>
To:	linux-kernel@...r.kernel.org, cluster-devel@...hat.com
Cc:	Bob Peterson <rpeterso@...hat.com>,
	Steven Whitehouse <swhiteho@...hat.com>
Subject: [PATCH 15/16] GFS2: add error check while allocating new inodes

From: Bob Peterson <rpeterso@...hat.com>

This patch adds a return code check after attempting to allocate
a new inode during dinode creation.

Signed-off-by: Bob Peterson <rpeterso@...hat.com>
Signed-off-by: Steven Whitehouse <swhiteho@...hat.com>

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index e321333..2405695 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -674,6 +674,10 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
 		goto fail_gunlock;
 
 	inode = new_inode(sdp->sd_vfs);
+	if (!inode) {
+		gfs2_glock_dq_uninit(ghs);
+		return -ENOMEM;
+	}
 	ip = GFS2_I(inode);
 	error = gfs2_rs_alloc(ip);
 	if (error)
-- 
1.7.4

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