From 623c334c1a40ae84a19ab8ef77924e9f0f2d4bcd Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Sun, 15 Sep 2013 16:31:00 +0100 Subject: [PATCH] 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: Lars-Peter Clausen Signed-off-by: Jonathan Cameron --- drivers/iio/kfifo_buf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iio/kfifo_buf.c b/drivers/iio/kfifo_buf.c index a923c78d5cb4..1bea41bcbdc6 100644 --- a/drivers/iio/kfifo_buf.c +++ b/drivers/iio/kfifo_buf.c @@ -7,6 +7,7 @@ #include #include #include +#include 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; } -- 2.39.2