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-rw-r--r--crypto/dh/dh_key.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/dh/dh_key.c b/crypto/dh/dh_key.c
index fe021904cc..204e5a7a42 100644
--- a/crypto/dh/dh_key.c
+++ b/crypto/dh/dh_key.c
@@ -159,6 +159,8 @@ static int compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh)
goto err;
BN_CTX_start(ctx);
tmp = BN_CTX_get(ctx);
+ if (tmp == NULL)
+ goto err;
if (dh->priv_key == NULL) {
DHerr(DH_F_COMPUTE_KEY, DH_R_NO_PRIVATE_VALUE);