staging: ks7010: remove bogus NULL checks

enc->rx_seq[] and enc->key[] are arrays, not pointers and they can't be
NULL.  Let's remove these NULL checks.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks_wlan_net.c

@@ -1910,11 +1910,8 @@ static int ks_wlan_set_encode_ext(struct net_device *dev,
 			priv->wpa.txkey = index;
 			commit |= SME_WEP_INDEX;
 		} else if (enc->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
-			if (enc->rx_seq)
-				memcpy(&priv->wpa.key[index].rx_seq[0],
-				       enc->rx_seq, IW_ENCODE_SEQ_MAX_SIZE);
-			else
-				return -EINVAL;
+			memcpy(&priv->wpa.key[index].rx_seq[0],
+			       enc->rx_seq, IW_ENCODE_SEQ_MAX_SIZE);
 		}
 
 		memcpy(&priv->wpa.key[index].addr.sa_data[0],
@@ -1935,7 +1932,7 @@ static int ks_wlan_set_encode_ext(struct net_device *dev,
 				priv->reg.privacy_invoked = 0x01;
 				commit |= SME_WEP_FLAG;
 			}
-			if (enc->key && enc->key_len) {
+			if (enc->key_len) {
 				memcpy(&priv->wpa.key[index].key_val[0],
 				       &enc->key[0], enc->key_len);
 				priv->wpa.key[index].key_len = enc->key_len;
@@ -1947,7 +1944,7 @@ static int ks_wlan_set_encode_ext(struct net_device *dev,
 				priv->reg.privacy_invoked = 0x01;
 				commit |= SME_WEP_FLAG;
 			}
-			if (enc->key && enc->key_len == 32) {
+			if (enc->key_len == 32) {
 				memcpy(&priv->wpa.key[index].key_val[0],
 				       &enc->key[0], enc->key_len - 16);
 				priv->wpa.key[index].key_len =