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| author | Julia Lawall <Julia.Lawall@lip6.fr> | 2014-01-01 13:07:00 +0000 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2014-01-01 12:19:17 +0000 |
| commit | e9ed104de68c345c9a827225e93c74c6894613a9 (patch) | |
| tree | 14f5bfdfbcc0a9b389cd1a8b22cf54462ba74320 /drivers/staging/iio | |
| parent | 83d5f3246fc05a629278240c09688fd9960b97db (diff) | |
| download | linux-e9ed104de68c345c9a827225e93c74c6894613a9.tar.bz2 | |
staging:iio:impedance:ad5933: correct error check
iio_kfifo_allocate returns NULL in case of error.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression *x;
identifier f;
statement S1,S2;
@@
*x = f(...);
if (x) { <+... when != if (...) S1 else S2
-ENOMEM ...+> }
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/staging/iio')
| -rw-r--r-- | drivers/staging/iio/impedance-analyzer/ad5933.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 0a4298b744e6..2b96665da8a2 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -629,7 +629,7 @@ static int ad5933_register_ring_funcs_and_init(struct iio_dev *indio_dev) struct iio_buffer *buffer; buffer = iio_kfifo_allocate(indio_dev); - if (buffer) + if (!buffer) return -ENOMEM; iio_device_attach_buffer(indio_dev, buffer); |