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Commit ebbbfa24 authored by Rusty Russell's avatar Rusty Russell Committed by Herbert Xu
Browse files

hwrng: don't double-check old_rng. 



Interesting anti-pattern.

Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent a027f30d

drivers/char/hw_random/core.c

+2 −3
Original line number Diff line number Diff line
@@ -472,14 +472,13 @@ int hwrng_register(struct hwrng *rng) 
	}



	old_rng = current_rng;

	err = 0;

	if (!old_rng) {

		err = hwrng_init(rng);

		if (err)

			goto out_unlock;

		set_current_rng(rng);

	}

	err = 0;

	if (!old_rng) {



		err = register_miscdev();

		if (err) {

			drop_current_rng();