Commit aaaf68c5 authored Oct 12, 2012 by Andrew Price Committed by Steven Whitehouse Nov 07, 2012

GFS2: Fix an unchecked error from gfs2_rs_alloc



Check the return value of gfs2_rs_alloc(ip) and avoid a possible null
pointer dereference.

Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

parent ddffeb8c

fs/gfs2/quota.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -497,8 +497,11 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid)
		struct gfs2_quota_data **qd;
		int error;

		if (ip->i_res == NULL)
		gfs2_rs_alloc(ip);
		if (ip->i_res == NULL) {
		error = gfs2_rs_alloc(ip);
		if (error)
		return error;
		}

		qd = ip->i_res->rs_qa_qd;