| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.15 044/163] crypto: sun4i_ss_prng - fix return value of sun4i_ss_prng_generate | Date | Wed, 21 Feb 2018 13:47:53 +0100 |
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4.15-stable review patch. If anyone has any objections, please let me know.
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From: Artem Savkov <artem.savkov@gmail.com>
commit dd78c832ffaf86eb6434e56de4bc3bc31f03f771 upstream.
According to crypto/rng.h generate function should return 0 on success and < 0 on error.
Fixes: b8ae5c7387ad ("crypto: sun4i-ss - support the Security System PRNG") Signed-off-by: Artem Savkov <artem.savkov@gmail.com> Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/crypto/sunxi-ss/sun4i-ss-prng.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/crypto/sunxi-ss/sun4i-ss-prng.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-prng.c @@ -52,5 +52,5 @@ int sun4i_ss_prng_generate(struct crypto writel(0, ss->base + SS_CTL); spin_unlock(&ss->slock); - return dlen; + return 0; }
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