Allow NULL for some _free routines.

[openssl.git] / crypto / bn / bn_recp.c

diff --git a/crypto/bn/bn_recp.c b/crypto/bn/bn_recp.c
index 923a9b33d8f54be0cdc29194d74a44c0663cdccb..8eb500b61a800d992271f40588c5bd0db0cf01da 100644 (file)
--- a/crypto/bn/bn_recp.c
+++ b/crypto/bn/bn_recp.c
@@ -32,8 +32,10 @@ BN_RECP_CTX *BN_RECP_CTX_new(void)
 
 void BN_RECP_CTX_free(BN_RECP_CTX *recp)
 {
-    BN_free(&(recp->N));
-    BN_free(&(recp->Nr));
+    if (recp == NULL)
+        return;
+    BN_free(&recp->N);
+    BN_free(&recp->Nr);
     if (recp->flags & BN_FLG_MALLOCED)
         OPENSSL_free(recp);
 }