media: rc-loopback: return number of emitters rather than error

commit 6b7f554be8c92319d7e6df92fd247ebb9beb4a45 upstream.

The LIRC_SET_TRANSMITTER_MASK ioctl should return the number of emitters
if an invalid list was set.

Cc: stable@vger.kernel.org
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sean Young 2021-07-03 15:37:17 +02:00 committed by Greg Kroah-Hartman
parent 9d91046f6b
commit 86e1abcd14

View File

@ -42,7 +42,7 @@ static int loop_set_tx_mask(struct rc_dev *dev, u32 mask)
if ((mask & (RXMASK_REGULAR | RXMASK_LEARNING)) != mask) {
dprintk("invalid tx mask: %u\n", mask);
return -EINVAL;
return 2;
}
dprintk("setting tx mask: %u\n", mask);