dh_check.c: check BN_CTX_get's return value.

53e51612 · Andy Polyakov · 687403fb · 53e51612
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crypto/dh/dh_check.c crypto/dh/dh_check.c +1 -0

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--- 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;