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Commit da59c51c authored by Arvind Yadav's avatar Arvind Yadav Committed by Herbert Xu
Browse files

hwrng: bcm2835 - handle of_iomap failures 



Check return value of of_iomap and handle errors correctly.

Signed-off-by: default avatarArvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: default avatarEric Anholt <eric@anholt.net>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 10faa8c0

drivers/char/hw_random/bcm2835-rng.c

+3 −2
Original line number Diff line number Diff line
@@ -92,9 +92,10 @@ static int bcm2835_rng_probe(struct platform_device *pdev) 
	bcm2835_rng_ops.priv = (unsigned long)rng_base;



	rng_id = of_match_node(bcm2835_rng_of_match, np);

	if (!rng_id)

	if (!rng_id) {

		iounmap(rng_base);

		return -EINVAL;



	}

	/* Check for rng init function, execute it */

	rng_setup = rng_id->data;

	if (rng_setup)