From 5d7e61fb61b1ca174827b0a71a6cef1fec0c91af Mon Sep 17 00:00:00 2001
From: Paul Elliott <paul.elliott@arm.com>
Date: Tue, 15 Feb 2022 16:05:17 +0000
Subject: [PATCH] Fix uninitialised return value.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
---
 programs/fuzz/common.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/programs/fuzz/common.c b/programs/fuzz/common.c
index 465a76e45..4d5840228 100644
--- a/programs/fuzz/common.c
+++ b/programs/fuzz/common.c
@@ -64,6 +64,9 @@ int dummy_random( void *p_rng, unsigned char *output, size_t output_len )
     if( p_rng != NULL ) {
         //use mbedtls_ctr_drbg_random to find bugs in it
         ret = mbedtls_ctr_drbg_random(p_rng, output, output_len);
+    } else {
+        //fall through to pseudo-random
+        ret = 0;
     }
 #else
     (void) p_rng;