Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm

[firefly-linux-kernel-4.4.55.git] / drivers / staging / vt6656 / rf.c

diff --git a/drivers/staging/vt6656/rf.c b/drivers/staging/vt6656/rf.c
index 593cdc713b0e21413e6044f1fd70a2801c099ada..74c0598e37b7c4b03742b06375a56adc10f34994 100644 (file)
--- a/drivers/staging/vt6656/rf.c
+++ b/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: