[PATCH] crypto: algif_rng - zeroize buffer holding random data

[Stephan Mueller]

Due to the change to RNGs to always return zero in success case, the RNG
interface must zeroize the buffer with the length provided by the
caller.

Signed-off-by: Stephan Mueller <smueller@xxxxxxxxxx>
---
 crypto/algif_rng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/algif_rng.c b/crypto/algif_rng.c
index 67f612c..a346173 100644
--- a/crypto/algif_rng.c
+++ b/crypto/algif_rng.c
@@ -87,7 +87,7 @@ static int rng_recvmsg(struct kiocb *unused, struct socket 
*sock,
 		return genlen;
 
 	err = memcpy_to_msg(msg, result, len);
-	memzero_explicit(result, genlen);
+	memzero_explicit(result, len);
 
 	return err ? err : len;
 }
-- 
2.1.0

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