From 9b858f57c507704bccac56fbb24635a93febc602 Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Mon, 16 Dec 2019 16:52:45 +0100
Subject: [PATCH] mbedcrypto_missing: Always check return values

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
---
 src/mbedcrypto_missing.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mbedcrypto_missing.c b/src/mbedcrypto_missing.c
index cf789b13..ac0d688c 100644
--- a/src/mbedcrypto_missing.c
+++ b/src/mbedcrypto_missing.c
@@ -104,6 +104,9 @@ int ssh_mbedcry_rand(bignum rnd, int bits, int top, int bottom)
 
     if (top == 0) {
         rc = mbedtls_mpi_set_bit(rnd, bits - 1, 0);
+        if (rc != 0) {
+            return 0;
+        }
     }
 
     if (top == 1) {