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| author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-10-07 18:50:21 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-10-14 17:52:25 +0200 |
| commit | e2296021081584bd6f0e2ea21e8b909c1d4b5a07 (patch) | |
| tree | 550e622ed8d91050b3015c203f4b08901aee50a4 /drivers/media | |
| parent | [media] technisat-usb2: use DMA buffers for I2C transfers (diff) | |
| download | linux-e2296021081584bd6f0e2ea21e8b909c1d4b5a07.tar.xz linux-e2296021081584bd6f0e2ea21e8b909c1d4b5a07.zip | |
[media] nova-t-usb2: 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/nova-t-usb2.c | 9 |
1 files 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]) |