diff options
| author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-10-07 19:52:31 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-10-14 18:52:27 +0300 |
| commit | 3dadf91cb830ac3a6992e539d82ec604fffe8671 (patch) | |
| tree | facca9ded3d8f0993fdf444b342d846e24552b52 /drivers/media | |
| parent | aa9efbc7b64aa1c3bf6682d06e6970b874d55d08 (diff) | |
| download | linux-3dadf91cb830ac3a6992e539d82ec604fffe8671.tar.xz | |
[media] digitv: handle error code on RC query
There's no sense on decoding and generating a RC key code if
there was an error on the URB control message.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/usb/dvb-usb/digitv.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/media/usb/dvb-usb/digitv.c b/drivers/media/usb/dvb-usb/digitv.c index 09f8c28bd4db..4284f6984dc1 100644 --- a/drivers/media/usb/dvb-usb/digitv.c +++ b/drivers/media/usb/dvb-usb/digitv.c @@ -29,7 +29,9 @@ static int digitv_ctrl_msg(struct dvb_usb_device *d, u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen) { struct digitv_state *st = d->priv; - int wo = (rbuf == NULL || rlen == 0); /* write-only */ + int ret, wo; + + wo = (rbuf == NULL || rlen == 0); /* write-only */ memset(st->sndbuf, 0, 7); memset(st->rcvbuf, 0, 7); @@ -40,12 +42,12 @@ static int digitv_ctrl_msg(struct dvb_usb_device *d, if (wo) { memcpy(&st->sndbuf[3], wbuf, wlen); - dvb_usb_generic_write(d, st->sndbuf, 7); + ret = dvb_usb_generic_write(d, st->sndbuf, 7); } else { - dvb_usb_generic_rw(d, st->sndbuf, 7, st->rcvbuf, 7, 10); + ret = dvb_usb_generic_rw(d, st->sndbuf, 7, st->rcvbuf, 7, 10); memcpy(rbuf, &st->rcvbuf[3], rlen); } - return 0; + return ret; } /* I2C */ |