diff options
| author | Sean Young <sean@mess.org> | 2013-07-08 20:33:09 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-07-30 20:04:23 (GMT) |
| commit | 671ea6707b3fb051ec1bae8e7aa0a91f90e178e0 (patch) | |
| tree | b403d588b2f200677d6be3a34c859b43aa347c64 /drivers/media/rc | |
| parent | 25379bf8bc4d4e83bd74d823048b85a95ae5a521 (diff) | |
| download | linux-fsl-qoriq-671ea6707b3fb051ec1bae8e7aa0a91f90e178e0.tar.xz | |
[media] lirc: make transmit interface consistent
All lirc drivers that can transmit, return EINVAL when they are passed
more than IR data than they can send. That is, except for two drivers
which I touched.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/rc')
| -rw-r--r-- | drivers/media/rc/iguanair.c | 4 | ||||
| -rw-r--r-- | drivers/media/rc/redrat3.c | 7 |
2 files changed, 6 insertions, 5 deletions
diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c index a4ab2e6..19632b1 100644 --- a/drivers/media/rc/iguanair.c +++ b/drivers/media/rc/iguanair.c @@ -364,8 +364,8 @@ static int iguanair_tx(struct rc_dev *dev, unsigned *txbuf, unsigned count) periods = DIV_ROUND_CLOSEST(txbuf[i] * ir->carrier, 1000000); bytes = DIV_ROUND_UP(periods, 127); if (size + bytes > ir->bufsize) { - count = i; - break; + rc = -EINVAL; + goto out; } while (periods > 127) { ir->packet->payload[size++] = 127 | space; diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c index 3749443..0042367 100644 --- a/drivers/media/rc/redrat3.c +++ b/drivers/media/rc/redrat3.c @@ -762,7 +762,8 @@ static int redrat3_transmit_ir(struct rc_dev *rcdev, unsigned *txbuf, return -EAGAIN; } - count = min_t(unsigned, count, RR3_MAX_SIG_SIZE - RR3_TX_TRAILER_LEN); + if (count > RR3_MAX_SIG_SIZE - RR3_TX_TRAILER_LEN) + return -EINVAL; /* rr3 will disable rc detector on transmit */ rr3->transmitting = true; @@ -801,8 +802,8 @@ static int redrat3_transmit_ir(struct rc_dev *rcdev, unsigned *txbuf, &irdata->lens[curlencheck]); curlencheck++; } else { - count = i - 1; - break; + ret = -EINVAL; + goto out; } } irdata->sigdata[i] = lencheck; |