diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c index 91729a39a306..7e817ea506c6 100644 --- a/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c +++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c @@ -24,14 +24,19 @@ static int dvb_usb_v2_generic_io(struct dvb_usb_device *d, ret = usb_bulk_msg(d->udev, usb_sndbulkpipe(d->udev, d->props->generic_bulk_ctrl_endpoint), wbuf, wlen, &actual_length, 2000); - if (ret < 0) + if (ret) { dev_err(&d->udev->dev, "%s: usb_bulk_msg() failed=%d\n", KBUILD_MODNAME, ret); - else - ret = actual_length != wlen ? -EIO : 0; + return ret; + } + if (actual_length != wlen) { + dev_err(&d->udev->dev, "%s: usb_bulk_msg() write length=%d, actual=%d\n", + KBUILD_MODNAME, wlen, actual_length); + return -EIO; + } - /* an answer is expected, and no error before */ - if (!ret && rbuf && rlen) { + /* an answer is expected */ + if (rbuf && rlen) { if (d->props->generic_bulk_ctrl_delay) usleep_range(d->props->generic_bulk_ctrl_delay, d->props->generic_bulk_ctrl_delay |