Re: [PATCH 08/12] crypto: add missing of_node_put after of_device_is_available

Herbert Xu
2019-02-28T06:39:22Z

On Sat, Feb 23, 2019 at 02:20:39PM +0100, Julia Lawall wrote:
> Add an of_node_put when a tested device node is not available.
>
> The semantic patch that fixes this problem is as follows
> (http://coccinelle.lip6.fr):
>
> // <smpl>
> @@
> identifier f;
> local idexpression e;
> expression x;
> @@
>
> e = f(...);
> ... when != of_node_put(e)
> when != x = e
> when != e = x
> when any
> if (<+...of_device_is_available(e)...+>) {
> ... when != of_node_put(e)
> (
> return e;
> |
> + of_node_put(e);
> return ...;
> )
> }
> // </smpl>
>
> Fixes: 5343e674f32fb ("crypto4xx: integrate ppc4xx-rng into crypto4xx")
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
>
> ---
> drivers/crypto/amcc/crypto4xx_trng.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)

Patch applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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