| Message ID | tencent_8D19734F828DA6A5938DF1122F5DDC5DBC07@qq.com |
|---|---|
| State | New |
| Headers | show |
| Series | wifi: ath6kl: Check that the read operation returns a data length of 0 | expand |
diff --git a/drivers/net/wireless/ath/ath6kl/usb.c b/drivers/net/wireless/ath/ath6kl/usb.c index 5220809841a6..2a89bab81b24 100644 --- a/drivers/net/wireless/ath/ath6kl/usb.c +++ b/drivers/net/wireless/ath/ath6kl/usb.c @@ -1034,6 +1034,9 @@ static int ath6kl_usb_bmi_read(struct ath6kl *ar, u8 *buf, u32 len) ath6kl_err("Unable to read the bmi data from the device: %d\n", ret); return ret; + } else { + ath6kl_err("Actual read the bmi data length is 0 from the device\n"); + return -EIO; } return 0;
If the data length returned by the device is 0, the read operation should be considered a failure. Reported-and-tested-by: syzbot+92c6dd14aaa230be6855@syzkaller.appspotmail.com Signed-off-by: Edward Adam Davis <eadavis@qq.com> --- drivers/net/wireless/ath/ath6kl/usb.c | 3 +++ 1 file changed, 3 insertions(+)