quota: return -ENOMEM when memory allocation fails

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/quota/quota_v2.c b/fs/quota/quota_v2.c
index 65444d2..f1ab360 100644
--- a/fs/quota/quota_v2.c
+++ b/fs/quota/quota_v2.c
@@ -112,7 +112,7 @@
 	if (!info->dqi_priv) {
 		printk(KERN_WARNING
 		       "Not enough memory for quota information structure.\n");
-		return -1;
+		return -ENOMEM;
 	}
 	qinfo = info->dqi_priv;
 	if (version == 0) {