crypto: algif_rng - zeroize buffer with random data

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 <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
vieko · Mar 16, 2015 · 2ef4d5c · 2ef4d5c
1 parent 5986ac4
commit 2ef4d5c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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;
 }