don't memset(data,0,...) if data is NULL

Submitted by: anonymous
PR: 254

diff --git a/crypto/pem/pem_lib.c b/crypto/pem/pem_lib.c
index 01759f75c3b548135055602b777ec57dd3b6bc21..043b578e22d9ab8e90d6c05e2e7387a897cdf1c2 100644 (file)
--- a/crypto/pem/pem_lib.c
+++ b/crypto/pem/pem_lib.c
@@ -405,8 +405,11 @@ err:
        memset(iv,0,sizeof(iv));
        memset((char *)&ctx,0,sizeof(ctx));
        memset(buf,0,PEM_BUFSIZE);
-       memset(data,0,(unsigned int)dsize);
-       OPENSSL_free(data);
+       if (data != NULL)
+               {
+               memset(data,0,(unsigned int)dsize);
+               OPENSSL_free(data);
+               }
        return(ret);
        }