diff --git a/[refs] b/[refs]
index d06b7fcb33b8..b3c2e22b3325 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 30453529bc17161fd863093ebf7a4bfce9820159
+refs/heads/master: a16554474f772ea857bf193608231a735e01cccc
diff --git a/trunk/drivers/staging/zcache/zcache-main.c b/trunk/drivers/staging/zcache/zcache-main.c
index 55fbe3db7d53..58e7bd432508 100644
--- a/trunk/drivers/staging/zcache/zcache-main.c
+++ b/trunk/drivers/staging/zcache/zcache-main.c
@@ -109,6 +109,8 @@ static inline int zcache_comp_op(enum comp_op op,
 	case ZCACHE_COMPOP_DECOMPRESS:
 		ret = crypto_comp_decompress(tfm, src, slen, dst, dlen);
 		break;
+	default:
+		ret = -EINVAL;
 	}
 	put_cpu();
 	return ret;