From: Sean Young <sean@mess.org>
Date: Tue, 30 Nov 2021 22:58:19 +0000 (+0100)
Subject: media: igorplugusb: receiver overflow should be reported
X-Git-Tag: v4.19.226~92
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=6f391d8d10786ef9fd0e23c4d35771f2c0df7a33;p=users%2Fdwmw2%2Flinux.git

media: igorplugusb: receiver overflow should be reported

[ Upstream commit 8fede658e7ddb605bbd68ed38067ddb0af033db4 ]

Without this, some IR will be missing mid-stream and we might decode
something which never really occurred.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/media/rc/igorplugusb.c b/drivers/media/rc/igorplugusb.c
index f563ddd7f7392..98a13532a5968 100644
--- a/drivers/media/rc/igorplugusb.c
+++ b/drivers/media/rc/igorplugusb.c
@@ -73,9 +73,11 @@ static void igorplugusb_irdata(struct igorplugusb *ir, unsigned len)
 	if (start >= len) {
 		dev_err(ir->dev, "receive overflow invalid: %u", overflow);
 	} else {
-		if (overflow > 0)
+		if (overflow > 0) {
 			dev_warn(ir->dev, "receive overflow, at least %u lost",
 								overflow);
+			ir_raw_event_reset(ir->rc);
+		}
 
 		do {
 			rawir.duration = ir->buf_in[i] * 85333;