Return if ssleay_rand_add called with zero num.

[openssl.git] / crypto / rand / md_rand.c

diff --git a/crypto/rand/md_rand.c b/crypto/rand/md_rand.c
index dd291637275d3aeae7ec2b1de81af268aeb0edf3..aee1c30b0a9bb4a24cc1dd90694f25a0ed852c5b 100644 (file)
--- a/crypto/rand/md_rand.c
+++ b/crypto/rand/md_rand.c
@@ -198,6 +198,9 @@ static void ssleay_rand_add(const void *buf, int num, double add)
        EVP_MD_CTX m;
        int do_not_lock;
 
        EVP_MD_CTX m;
        int do_not_lock;
 

+       if (!num)
+               return;
+

        /*
         * (Based on the rand(3) manpage)
         *
        /*
         * (Based on the rand(3) manpage)
         *