* [patch] iio: double unlock on error path
@ 2012-07-11 6:34 Dan Carpenter
2012-07-12 19:24 ` Jonathan Cameron
0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2012-07-11 6:34 UTC (permalink / raw)
To: Jonathan Cameron; +Cc: linux-iio, kernel-janitors
We should be holding the mutex when we goto error_free_chans.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index e2aded0..b5afc2f 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -198,11 +198,12 @@ struct iio_channel *iio_channel_get_all(const char *name)
iio_device_get(chans[mapind].indio_dev);
mapind++;
}
- mutex_unlock(&iio_map_list_lock);
if (mapind == 0) {
ret = -ENODEV;
goto error_free_chans;
}
+ mutex_unlock(&iio_map_list_lock);
+
return chans;
error_free_chans:
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [patch] iio: double unlock on error path
2012-07-11 6:34 [patch] iio: double unlock on error path Dan Carpenter
@ 2012-07-12 19:24 ` Jonathan Cameron
0 siblings, 0 replies; 2+ messages in thread
From: Jonathan Cameron @ 2012-07-12 19:24 UTC (permalink / raw)
To: Dan Carpenter; +Cc: linux-iio, kernel-janitors
On 07/11/2012 07:34 AM, Dan Carpenter wrote:
> We should be holding the mutex when we goto error_free_chans.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
merged to fixes-togreg branch of
git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
and pull request sent. Thanks.
>
> diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
> index e2aded0..b5afc2f 100644
> --- a/drivers/iio/inkern.c
> +++ b/drivers/iio/inkern.c
> @@ -198,11 +198,12 @@ struct iio_channel *iio_channel_get_all(const char *name)
> iio_device_get(chans[mapind].indio_dev);
> mapind++;
> }
> - mutex_unlock(&iio_map_list_lock);
> if (mapind == 0) {
> ret = -ENODEV;
> goto error_free_chans;
> }
> + mutex_unlock(&iio_map_list_lock);
> +
> return chans;
>
> error_free_chans:
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-07-11 6:34 [patch] iio: double unlock on error path Dan Carpenter
2012-07-12 19:24 ` Jonathan Cameron
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