Patch "crypto: sun4i_ss_prng - fix return value of sun4i_ss_prng_generate" has been added to the 4.15-stable tree

[<gregkh@linuxfoundation.org>]

This is a note to let you know that I've just added the patch titled

    crypto: sun4i_ss_prng - fix return value of sun4i_ss_prng_generate

to the 4.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     crypto-sun4i_ss_prng-fix-return-value-of-sun4i_ss_prng_generate.patch
and it can be found in the queue-4.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From dd78c832ffaf86eb6434e56de4bc3bc31f03f771 Mon Sep 17 00:00:00 2001
From: Artem Savkov <artem.savkov@gmail.com>
Date: Tue, 6 Feb 2018 22:20:21 +0100
Subject: crypto: sun4i_ss_prng - fix return value of sun4i_ss_prng_generate

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;
 }


Patches currently in stable-queue which might be from artem.savkov@gmail.com are

queue-4.15/crypto-sun4i_ss_prng-convert-lock-to-_bh-in-sun4i_ss_prng_generate.patch
queue-4.15/crypto-sun4i_ss_prng-fix-return-value-of-sun4i_ss_prng_generate.patch