idev->rx_pos] = *val;
@@ -279,6 +282,9 @@ static int mctp_i2c_recv(struct mctp_i2c_dev *midev)
 	size_t recvlen;
 	int status;
 
+	if (midev->rx_pos == 0)
+		return 0;
+
 	/* + 1 for the PEC */
 	if (midev->rx_pos < MCTP_I2C_MINLEN + 1) {
 		ndev->stats.rx_length_errors++;
-- 
2.51.0[PATCH 6.18 252/641] net: mctp-i2c: fix duplicate reception of old dataGreg Kroah-Hartman <gregkh@linuxfoundation.org> undefinedstable@vger.kernel.org undefined undefined undefined undefined undefined•~†”v