3.13-stable review patch. If anyone has any objections, please let me know. ------------------ From: Julia Lawall <Julia.Lawall@xxxxxxx> commit e9ed104de68c345c9a827225e93c74c6894613a9 upstream. 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@xxxxxxx> Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/iio/impedance-analyzer/ad5933.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- 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_an struct iio_buffer *buffer; buffer = iio_kfifo_allocate(indio_dev); - if (buffer) + if (!buffer) return -ENOMEM; iio_device_attach_buffer(indio_dev, buffer); -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html