hwrng: core - rewrite better comparison to NULL

This patch fix the checkpatch warning "Comparison to NULL could be written "!ptr"

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Corentin LABBE 2016-12-13 15:51:10 +01:00 committed by Herbert Xu
parent 6bc17d90e6
commit 2a971e3b24

View file

@ -442,8 +442,7 @@ int hwrng_register(struct hwrng *rng)
int err = -EINVAL;
struct hwrng *old_rng, *tmp;
if (rng->name == NULL ||
(rng->data_read == NULL && rng->read == NULL))
if (!rng->name || (!rng->data_read && !rng->read))
goto out;
mutex_lock(&rng_mutex);