From: <gregkh@linuxfoundation.org>
To: vilhelm.gray@gmail.com, gregkh@linuxfoundation.org, jic23@kernel.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "iio: 104-quad-8: Fix off-by-one error when addressing flag register" has been added to the 4.10-stable tree
Date: Wed, 15 Mar 2017 14:09:55 +0800 [thread overview]
Message-ID: <1489558195193157@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
iio: 104-quad-8: Fix off-by-one error when addressing flag register
to the 4.10-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-104-quad-8-fix-off-by-one-error-when-addressing-flag-register.patch
and it can be found in the queue-4.10 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 ca8d8e03b4c9ad447d1e882cc8014e538f653018 Mon Sep 17 00:00:00 2001
From: William Breathitt Gray <vilhelm.gray@gmail.com>
Date: Thu, 9 Feb 2017 10:03:41 -0500
Subject: iio: 104-quad-8: Fix off-by-one error when addressing flag register
From: William Breathitt Gray <vilhelm.gray@gmail.com>
commit ca8d8e03b4c9ad447d1e882cc8014e538f653018 upstream.
The flag register is offset by 1 from the respective channel data
register. This patch fixes an off-by-one error when attempting to read a
channel flag register where the base address was not properly offset.
Fixes: 28e5d3bb0325 ("iio: 104-quad-8: Add IIO support for the ACCES 104-QUAD-8")
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/iio/counter/104-quad-8.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/counter/104-quad-8.c
+++ b/drivers/iio/counter/104-quad-8.c
@@ -76,7 +76,7 @@ static int quad8_read_raw(struct iio_dev
return IIO_VAL_INT;
}
- flags = inb(base_offset);
+ flags = inb(base_offset + 1);
borrow = flags & BIT(0);
carry = !!(flags & BIT(1));
Patches currently in stable-queue which might be from vilhelm.gray@gmail.com are
queue-4.10/iio-104-quad-8-fix-off-by-one-error-when-addressing-flag-register.patch
reply other threads:[~2017-03-15 6:10 UTC|newest]
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