lkml.org 
[lkml]   [2016]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 27/31] digitv: handle error code on RC query
Date
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>
---
drivers/media/usb/dvb-usb/digitv.c | 10 ++++++----
1 file 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 */
--
2.7.4

\
 
 \ /
  Last update: 2016-10-11 12:18    [W:0.462 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site