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Subject[PATCH v2 25/31] nova-t-usb2: 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/nova-t-usb2.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/media/usb/dvb-usb/nova-t-usb2.c b/drivers/media/usb/dvb-usb/nova-t-usb2.c
index 26d7188a1163..1babd3341910 100644
--- a/drivers/media/usb/dvb-usb/nova-t-usb2.c
+++ b/drivers/media/usb/dvb-usb/nova-t-usb2.c
@@ -76,7 +76,7 @@ static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
u8 *buf, data, toggle, custom;
u16 raw;
- int i;
+ int i, ret;
struct dibusb_device_state *st = d->priv;

buf = kmalloc(5, GFP_KERNEL);
@@ -85,7 +85,9 @@ static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state)

buf[0] = DIBUSB_REQ_POLL_REMOTE;
buf[1] = 0x35;
- dvb_usb_generic_rw(d, buf, 2, buf, 5, 0);
+ ret = dvb_usb_generic_rw(d, buf, 2, buf, 5, 0);
+ if (ret < 0)
+ goto ret;

*state = REMOTE_NO_KEY_PRESSED;
switch (buf[0]) {
@@ -124,8 +126,9 @@ static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
break;
}

+ret:
kfree(buf);
- return 0;
+ return ret;
}

static int nova_t_read_mac_address (struct dvb_usb_device *d, u8 mac[6])
--
2.7.4

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