From: Corentin LABBE clabbe.montjoie@gmail.com
commit 2a971e3b248775f808950bdc0ac75f12a2853eff upstream.
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 Signed-off-by: Jason A. Donenfeld Jason@zx2c4.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/char/hw_random/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -439,8 +439,7 @@ 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);