From e3937ab96f8ee256a886e14442f959b1bc0743a6 Mon Sep 17 00:00:00 2001
From: Guus Sliepen <guus@meshlink.io>
Date: Thu, 31 Jul 2014 17:13:21 +0200
Subject: [PATCH] Check return value of fread() when reading from /dev/urandom.

---
 src/ed25519/seed.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ed25519/seed.c b/src/ed25519/seed.c
index 11a2e3ec..dda3ccb2 100644
--- a/src/ed25519/seed.c
+++ b/src/ed25519/seed.c
@@ -30,7 +30,9 @@ int ed25519_create_seed(unsigned char *seed) {
         return 1;
     }
 
-    fread(seed, 1, 32, f);
+    if(fread(seed, 32, 1, f) != 1)
+	    return 1;
+
     fclose(f);
 #endif
 
-- 
2.39.5