NFC: trf7970a: Add NULL check to clear up smatch warning

[firefly-linux-kernel-4.4.55.git] / drivers / nfc / trf7970a.c

diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c
index 08f23d75700e78f2627bca9914ee9d570a553bcb..70b0707fd9a98514b5785dbe3a6fc467f8206d07 100644 (file)
--- a/drivers/nfc/trf7970a.c
+++ b/drivers/nfc/trf7970a.c
@@ -629,7 +629,9 @@ static void trf7970a_send_upstream(struct trf7970a *trf)
        }
 
        if (trf->adjust_resp_len) {
-               skb_trim(trf->rx_skb, trf->rx_skb->len - 1);
+               if (trf->rx_skb)
+                       skb_trim(trf->rx_skb, trf->rx_skb->len - 1);
+
                trf->adjust_resp_len = false;
        }