提交 aaaf68c5 编写于 作者: A Andrew Price 提交者: Steven Whitehouse

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: NAndrew Price <anprice@redhat.com>
Signed-off-by: NSteven Whitehouse <swhiteho@redhat.com>
上级 ddffeb8c
...@@ -497,8 +497,11 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid) ...@@ -497,8 +497,11 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid)
struct gfs2_quota_data **qd; struct gfs2_quota_data **qd;
int error; int error;
if (ip->i_res == NULL) if (ip->i_res == NULL) {
gfs2_rs_alloc(ip); error = gfs2_rs_alloc(ip);
if (error)
return error;
}
qd = ip->i_res->rs_qa_qd; qd = ip->i_res->rs_qa_qd;
......
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