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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 29debf3d9d)
Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
This commit is contained in:
David Härdeman
2017-05-01 13:04:37 -03:00
committed by Tao Huang
parent 010d96e694
commit d928794b66
1 changed files with 1 additions and 1 deletions
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2
drivers/media/rc/lirc_dev.c
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@@ -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);