NFC: nxp-nci: Don't issue a zero length i2c_master_read()

[platform/kernel/linux-starfive.git] / drivers / nfc / nxp-nci / i2c.c

diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c
index 7e451c1..e8f3b35 100644 (file)
--- a/drivers/nfc/nxp-nci/i2c.c
+++ b/drivers/nfc/nxp-nci/i2c.c
@@ -162,6 +162,9 @@ static int nxp_nci_i2c_nci_read(struct nxp_nci_i2c_phy *phy,
 
        skb_put_data(*skb, (void *)&header, NCI_CTRL_HDR_SIZE);
 
+       if (!header.plen)
+               return 0;
+
        r = i2c_master_recv(client, skb_put(*skb, header.plen), header.plen);
        if (r != header.plen) {
                nfc_err(&client->dev,