diff --git a/[refs] b/[refs]
index 0890cb5a4272..9cde23187f4e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 975a1ac9a9fe65d66ee1726c0db6dc58e53d232a
+refs/heads/master: ab1dd9963137a1e122004d5378a581bf16ae9bc8
diff --git a/trunk/drivers/staging/vt6656/rf.c b/trunk/drivers/staging/vt6656/rf.c
index 593cdc713b0e..74c0598e37b7 100644
--- a/trunk/drivers/staging/vt6656/rf.c
+++ b/trunk/drivers/staging/vt6656/rf.c
@@ -769,6 +769,9 @@ BYTE    byPwr = pDevice->byCCKPwr;
         return TRUE;
     }
 
+	if (uCH == 0)
+		return -EINVAL;
+
     switch (uRATE) {
     case RATE_1M:
     case RATE_2M: