From: <gregkh@linuxfoundation.org>
To: irina.tirdea@intel.com, gregkh@linuxfoundation.org, jic23@kernel.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "iio: fix config watermark initial value" has been added to the 4.5-stable tree
Date: Sun, 17 Apr 2016 03:26:42 -0700 [thread overview]
Message-ID: <1460888802235222@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
iio: fix config watermark initial value
to the 4.5-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-fix-config-watermark-initial-value.patch
and it can be found in the queue-4.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 1bef2c1d4e4fd92bdf8219b13ba97ba861618254 Mon Sep 17 00:00:00 2001
From: Irina Tirdea <irina.tirdea@intel.com>
Date: Thu, 24 Mar 2016 11:09:45 +0200
Subject: iio: fix config watermark initial value
From: Irina Tirdea <irina.tirdea@intel.com>
commit 1bef2c1d4e4fd92bdf8219b13ba97ba861618254 upstream.
config structure is set to 0 when updating the buffers, so by
default config->watermark will be 0. When computing the minimum
between config->watermark and the buffer->watermark or
insert_buffer-watermark, this will always be 0 regardless of the
value set by the user for the buffer.
Set as initial value for config->watermark the maximum allowed
value so that the minimum value will always be set from one of the
buffers.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Fixes: f0566c0c405d ("iio: Set device watermark based on watermark of all
attached buffers")
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/iio/industrialio-buffer.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -645,6 +645,7 @@ static int iio_verify_update(struct iio_
unsigned int modes;
memset(config, 0, sizeof(*config));
+ config->watermark = ~0;
/*
* If there is just one buffer and we are removing it there is nothing
Patches currently in stable-queue which might be from irina.tirdea@intel.com are
queue-4.5/iio-gyro-bmg160-fix-buffer-read-values.patch
queue-4.5/iio-gyro-bmg160-fix-endianness-when-reading-axes.patch
queue-4.5/iio-fix-config-watermark-initial-value.patch
queue-4.5/iio-accel-bmc150-fix-endianness-when-reading-axes.patch
reply other threads:[~2016-04-17 11:02 UTC|newest]
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