Initialise ctx to NULL to avoid uninitialized free, noticed by

Steve Kiernan

diff --git a/crypto/dh/dh_key.c b/crypto/dh/dh_key.c
index c6e618bca2e4180fb9d9730c26d7378a7e3911ea..15276dc2dd4a316c836b6e31b3f2d45a87c30c79 100644 (file)
--- a/crypto/dh/dh_key.c
+++ b/crypto/dh/dh_key.c
@@ -175,7 +175,7 @@ err:
 
 static int compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh)
        {
-       BN_CTX *ctx;
+       BN_CTX *ctx=NULL;
        BN_MONT_CTX *mont=NULL;
        BIGNUM *tmp;
        int ret= -1;