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iio: double unlock on error path
author
Dan Carpenter
<dan.carpenter@oracle.com>
Wed, 11 Jul 2012 06:34:00 +0000
(07:34 +0100)
committer
Jonathan Cameron
<jic23@kernel.org>
Thu, 12 Jul 2012 19:00:20 +0000
(20:00 +0100)
We should be holding the mutex when we goto error_free_chans.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
drivers/iio/inkern.c
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diff --git
a/drivers/iio/inkern.c
b/drivers/iio/inkern.c
index
e2aded0
..
b5afc2f
100644
(file)
--- 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: