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