This is a note to let you know that I've just added the patch titled
staging:iio:ad799x fix error_free_irq which was freeing an irq that may not have been requested
to the 3.4-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:
staging-iio-ad799x-fix-error_free_irq-which-was-freeing-an-irq-that-may-not-have-been-requested.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 38408d056188be29a6c4e17f3703c796551bb330 Mon Sep 17 00:00:00 2001
From: Hartmut Knaack <knaack.h@xxxxxx>
Date: Wed, 1 Jan 2014 23:04:00 +0000
Subject: staging:iio:ad799x fix error_free_irq which was freeing an irq that may not have been requested
From: Hartmut Knaack <knaack.h@xxxxxx>
commit 38408d056188be29a6c4e17f3703c796551bb330 upstream.
Only free an IRQ in error_free_irq, if it has been requested previously.
Signed-off-by: Hartmut Knaack <knaack.h@xxxxxx>
Acked-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/iio/adc/ad799x_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/staging/iio/adc/ad799x_core.c
+++ b/drivers/staging/iio/adc/ad799x_core.c
@@ -873,7 +873,8 @@ static int __devinit ad799x_probe(struct
return 0;
error_free_irq:
- free_irq(client->irq, indio_dev);
+ if (client->irq > 0)
+ free_irq(client->irq, indio_dev);
error_cleanup_ring:
ad799x_ring_cleanup(indio_dev);
error_disable_reg:
Patches currently in stable-queue which might be from knaack.h@xxxxxx are
queue-3.4/staging-iio-ad799x-fix-error_free_irq-which-was-freeing-an-irq-that-may-not-have-been-requested.patch
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