diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/az6007.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/az6007.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/az6007.c b/drivers/media/usb/dvb-usb-v2/az6007.c index 62ee09f28a0b..2dcbb49d66da 100644 --- a/drivers/media/usb/dvb-usb-v2/az6007.c +++ b/drivers/media/usb/dvb-usb-v2/az6007.c @@ -202,7 +202,8 @@ static int az6007_rc_query(struct dvb_usb_device *d) unsigned code; enum rc_proto proto; - az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10); + if (az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10) < 0) + return -EIO; if (st->data[1] == 0x44) return 0; @@ -248,7 +249,7 @@ static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address) { - struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data; + struct dvb_usb_device *d = ca->data; struct az6007_device_state *state = d_to_priv(d); int ret; @@ -290,7 +291,7 @@ static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca, int address, u8 value) { - struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data; + struct dvb_usb_device *d = ca->data; struct az6007_device_state *state = d_to_priv(d); int ret; @@ -321,7 +322,7 @@ static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address) { - struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data; + struct dvb_usb_device *d = ca->data; struct az6007_device_state *state = d_to_priv(d); int ret; @@ -367,7 +368,7 @@ static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca, u8 address, u8 value) { - struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data; + struct dvb_usb_device *d = ca->data; struct az6007_device_state *state = d_to_priv(d); int ret; @@ -398,7 +399,7 @@ failed: static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot) { - struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data; + struct dvb_usb_device *d = ca->data; int ret; u8 req; @@ -429,7 +430,7 @@ static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot) static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot) { - struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data; + struct dvb_usb_device *d = ca->data; struct az6007_device_state *state = d_to_priv(d); int ret, i; @@ -485,7 +486,7 @@ static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot) static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot) { - struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data; + struct dvb_usb_device *d = ca->data; struct az6007_device_state *state = d_to_priv(d); int ret; @@ -514,7 +515,7 @@ failed: static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open) { - struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data; + struct dvb_usb_device *d = ca->data; struct az6007_device_state *state = d_to_priv(d); int ret; u8 req; |