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-rw-r--r--crypto/dh/dh_check.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/dh/dh_check.c b/crypto/dh/dh_check.c
index fa1df0efc0..9c4f61329f 100644
--- a/crypto/dh/dh_check.c
+++ b/crypto/dh/dh_check.c
@@ -82,6 +82,7 @@ int DH_check(const DH *dh, int *ret)
if (ctx == NULL) goto err;
BN_CTX_start(ctx);
t1=BN_CTX_get(ctx);
+ if (t1 == NULL) goto err;
t2=BN_CTX_get(ctx);
if (t2 == NULL) goto err;