nfc: nfcmrvl: Fix potential memory leak in nfcmrvl_i2c_nci_send()

nfcmrvl_i2c_nci_send() will be called by nfcmrvl_nci_send(), and skb
should be freed in nfcmrvl_i2c_nci_send(). However, nfcmrvl_nci_send()
won't free the skb when it failed for the test_bit(). Free the skb when
test_bit() failed.

Fixes: b5b3e23e ("NFC: nfcmrvl: add i2c driver")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Suggested-by: Pavel Machek <pavel@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/nfc/nfcmrvl/i2c.c

@@ -112,8 +112,10 @@ static int nfcmrvl_i2c_nci_send(struct nfcmrvl_private *priv,
 	struct nfcmrvl_i2c_drv_data *drv_data = priv->drv_data;
 	int ret;
 
-	if (test_bit(NFCMRVL_PHY_ERROR, &priv->flags))
+	if (test_bit(NFCMRVL_PHY_ERROR, &priv->flags)) {
+		kfree_skb(skb);
 		return -EREMOTEIO;
+	}
 
 	ret = i2c_master_send(drv_data->i2c, skb->data, skb->len);