This is a note to let you know that I've just added the patch titled
iio: industrialio-buffer: Fix iio_buffer_poll return value
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
iio-industrialio-buffer-fix-iio_buffer_poll-return-value.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 1bdc0293901cbea23c6dc29432e81919d4719844 Mon Sep 17 00:00:00 2001
From: Cristina Opriceana <cristina.opriceana@xxxxxxxxx>
Date: Mon, 3 Aug 2015 13:37:40 +0300
Subject: iio: industrialio-buffer: Fix iio_buffer_poll return value
From: Cristina Opriceana <cristina.opriceana@xxxxxxxxx>
commit 1bdc0293901cbea23c6dc29432e81919d4719844 upstream.
Change return value to 0 if no device is bound since
unsigned int cannot support negative error codes.
Fixes: f18e7a068 ("iio: Return -ENODEV for file operations if the
device has been unregistered")
Signed-off-by: Cristina Opriceana <cristina.opriceana@xxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/iio/industrialio-buffer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -151,7 +151,7 @@ unsigned int iio_buffer_poll(struct file
struct iio_buffer *rb = indio_dev->buffer;
if (!indio_dev->info)
- return -ENODEV;
+ return 0;
poll_wait(filp, &rb->pollq, wait);
if (iio_buffer_ready(indio_dev, rb, rb->watermark, 0))
Patches currently in stable-queue which might be from cristina.opriceana@xxxxxxxxx are
queue-4.1/iio-event-remove-negative-error-code-from-iio_event_poll.patch
queue-4.1/iio-industrialio-buffer-fix-iio_buffer_poll-return-value.patch
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