From c4f880d02c12358a80b988d0a1f04bf3c29cade4 Mon Sep 17 00:00:00 2001 From: Sean Young Date: Wed, 27 Apr 2022 11:14:48 +0800 Subject: [PATCH] media: igorplugusb: receiver overflow should be reported stable inclusion from stable-v5.10.94 commit f6bc6b178ce1dc6e2545f5830fe79e2c6b14724f bugzilla: https://gitee.com/openeuler/kernel/issues/I531X9 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bc6b178ce1dc6e2545f5830fe79e2c6b14724f -------------------------------- [ 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 Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin Signed-off-by: Zheng Zengkai Acked-by: Xie XiuQi --- drivers/media/rc/igorplugusb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/rc/igorplugusb.c b/drivers/media/rc/igorplugusb.c index effaa5751d6c..3e9988ee785f 100644 --- a/drivers/media/rc/igorplugusb.c +++ b/drivers/media/rc/igorplugusb.c @@ -64,9 +64,11 @@ 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] * 85; -- GitLab