From d928794b66eeaa6976a150d4adacecb5d32b73eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20H=C3=A4rdeman?= <david@hardeman.nu>
Date: Mon, 1 May 2017 13:04:37 -0300
Subject: [PATCH] UPSTREAM: [media] lirc_dev: return POLLHUP and POLLERR when
 device is gone
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Most drivers return both values when the device is gone.

Signed-off-by: David Härdeman <david@hardeman.nu>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
(cherry picked from commit 29debf3d9d214f600af38069e5954699934abe74)
Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
---
 drivers/media/rc/lirc_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index 8e6ac9d0f66d..eca75e6738d7 100644
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -376,7 +376,7 @@ unsigned int lirc_dev_fop_poll(struct file *file, poll_table *wait)
 	}
 
 	if (!ir->attached)
-		return POLLERR;
+		return POLLHUP | POLLERR;
 
 	if (ir->buf) {
 		poll_wait(file, &ir->buf->wait_poll, wait);