USB: serial: mos7720: fix error code in mos7720_write()

This code should return -ENOMEM if the kmalloc() fails but instead
it returns success.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 0f64478cbc ("USB: add USB serial mos7720 driver")
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Dan Carpenter 2021-01-28 12:35:23 +03:00 committed by Johan Hovold
parent 55317e2239
commit fea7372cbc

View File

@ -1094,8 +1094,10 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port,
if (urb->transfer_buffer == NULL) {
urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
GFP_ATOMIC);
if (!urb->transfer_buffer)
if (!urb->transfer_buffer) {
bytes_sent = -ENOMEM;
goto exit;
}
}
transfer_size = min(count, URB_TRANSFER_BUFFER_SIZE);