diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/usb/dvb-usb/pctv452e.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/usb/dvb-usb/pctv452e.c b/drivers/media/usb/dvb-usb/pctv452e.c index 58b685094904..7ad0006c5ae0 100644 --- a/drivers/media/usb/dvb-usb/pctv452e.c +++ b/drivers/media/usb/dvb-usb/pctv452e.c @@ -109,9 +109,10 @@ static int tt3650_ci_msg(struct dvb_usb_device *d, u8 cmd, u8 *data, unsigned int rlen; int ret; - BUG_ON(NULL == data && 0 != (write_len | read_len)); - BUG_ON(write_len > 64 - 4); - BUG_ON(read_len > 64 - 4); + if (!data || (write_len > 64 - 4) || (read_len > 64 - 4)) { + err("%s: transfer data invalid", __func__); + return -EIO; + }; mutex_lock(&state->ca_mutex); id = state->c++; |