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Message-Id: <9191b3e28e65ea9f3bae7b7b01441ff748f94998.1475860773.git.mchehab@s-opensource.com>
Date: Fri, 7 Oct 2016 14:24:36 -0300
From: Mauro Carvalho Chehab <mchehab@...pensource.com>
To: Linux Media Mailing List <linux-media@...r.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@...pensource.com>,
Mauro Carvalho Chehab <mchehab@...radead.org>,
Andy Lutomirski <luto@...capital.net>,
Johannes Stezenbach <js@...uxtv.org>,
Jiri Kosina <jikos@...nel.org>,
Patrick Boettcher <patrick.boettcher@...teo.de>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Andy Lutomirski <luto@...nel.org>,
Michael Krufky <mkrufky@...uxtv.org>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Jörg Otte <jrg.otte@...il.com>
Subject: [PATCH 26/26] 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@...pensource.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
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