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Commit 836e91b6 authored by Corentin LABBE's avatar Corentin LABBE Committed by Greg Kroah-Hartman
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hwrng: core - rewrite better comparison to NULL 



commit 2a971e3b248775f808950bdc0ac75f12a2853eff upstream.

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

Signed-off-by: default avatarCorentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarJason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e1b29334

drivers/char/hw_random/core.c

+1 −2
Original line number Diff line number Diff line
@@ -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);