diff --git a/fs/affs/super.c b/fs/affs/super.c
index d2dc047cb479..01d25d532541 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -199,7 +199,6 @@ parse_options(char *options, uid_t *uid, gid_t *gid, int *mode, int *reserved, s
 		case Opt_prefix:
 			/* Free any previous prefix */
 			kfree(*prefix);
-			*prefix = NULL;
 			*prefix = match_strdup(&args[0]);
 			if (!*prefix)
 				return 0;
@@ -233,6 +232,8 @@ parse_options(char *options, uid_t *uid, gid_t *gid, int *mode, int *reserved, s
 			break;
 		case Opt_volume: {
 			char *vol = match_strdup(&args[0]);
+			if (!vol)
+				return 0;
 			strlcpy(volume, vol, 32);
 			kfree(vol);
 			break;