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Commit 623c334c authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
Browse files

iio:kfifo_buf: Use wake_up_interruptible_poll() 



Use wake_up_interruptible_poll() instead of wake_up_interruptible() to only wake
up those threads that listen for input poll notifications.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 705ee2c9

drivers/iio/kfifo_buf.c

+2 −1
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
#include <linux/mutex.h>

#include <linux/iio/kfifo_buf.h>

#include <linux/sched.h>

#include <linux/poll.h>



struct iio_kfifo {

	struct iio_buffer buffer;
@@ -102,7 +103,7 @@ static int iio_store_to_kfifo(struct iio_buffer *r, 
	if (ret != 1)

		return -EBUSY;

	r->stufftoread = true;

	wake_up_interruptible(&r->pollq);

	wake_up_interruptible_poll(&r->pollq, POLLIN | POLLRDNORM);



	return 0;

}