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path: root/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c
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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.c15
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