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authorAndrew Price <anprice@redhat.com>2012-10-12 16:45:08 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2012-11-07 09:40:05 +0000
commitaaaf68c5629108f6078ab458d34a661143ea6857 (patch)
tree9a5e5a44d4aee71d25af98fac75cd689db41e6ff /fs/gfs2
parentddffeb8c4d0331609ef2581d84de4d763607bd37 (diff)
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>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/quota.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 40c4b0d42fa..c5af8e18f27 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -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;