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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:30 +0000 |
| commit | a72bbcd13c515079b13dfcc3f57e933f28235f48 (patch) | |
| tree | fd02a5f7642fbfb3141c285aa63a8f397fe41d76 /drivers/nfc/nxp-nci/i2c.c | |
| parent | Adding upstream version 4.19.249. (diff) | |
| download | linux-a72bbcd13c515079b13dfcc3f57e933f28235f48.tar.xz linux-a72bbcd13c515079b13dfcc3f57e933f28235f48.zip | |
Adding upstream version 4.19.260.upstream/4.19.260
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/nfc/nxp-nci/i2c.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c index 0df745cad..e4e0744e2 100644 --- a/drivers/nfc/nxp-nci/i2c.c +++ b/drivers/nfc/nxp-nci/i2c.c @@ -138,7 +138,9 @@ static int nxp_nci_i2c_fw_read(struct nxp_nci_i2c_phy *phy, skb_put_data(*skb, &header, NXP_NCI_FW_HDR_LEN); r = i2c_master_recv(client, skb_put(*skb, frame_len), frame_len); - if (r != frame_len) { + if (r < 0) { + goto fw_read_exit_free_skb; + } else if (r != frame_len) { nfc_err(&client->dev, "Invalid frame length: %u (expected %zu)\n", r, frame_len); @@ -178,8 +180,13 @@ 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) { + if (r < 0) { + goto nci_read_exit_free_skb; + } else if (r != header.plen) { nfc_err(&client->dev, "Invalid frame payload length: %u (expected %u)\n", r, header.plen); |