From 86e1abcd143f3e2cfea4515444c1a0971e39a004 Mon Sep 17 00:00:00 2001
From: Sean Young <sean@mess.org>
Date: Sat, 3 Jul 2021 15:37:17 +0200
Subject: [PATCH] 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>
---
drivers/media/rc/rc-loopback.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/rc/rc-loopback.c b/drivers/media/rc/rc-loopback.c
index ef8b83b707df..13ab7312fa3b 100644
--- a/drivers/media/rc/rc-loopback.c
+++ b/drivers/media/rc/rc-loopback.c
@@ -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);