From: Jouni Malinen <j@w1.fi>
Date: Fri, 15 Jul 2011 14:17:48 +0000 (+0300)
Subject: Check random_get_bytes() result before writing entropy file
X-Git-Tag: hostap-1-bp~306
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=15f0961447f9865640505378b4d63207f3c1aa5f;p=thirdparty%2Fhostap.git

Check random_get_bytes() result before writing entropy file
---

diff --git a/src/crypto/random.c b/src/crypto/random.c
index f545917a7..7f5c08a6d 100644
--- a/src/crypto/random.c
+++ b/src/crypto/random.c
@@ -358,7 +358,8 @@ static void random_write_entropy(void)
 	if (!random_entropy_file)
 		return;
 
-	random_get_bytes(buf, RANDOM_ENTROPY_SIZE);
+	if (random_get_bytes(buf, RANDOM_ENTROPY_SIZE) < 0)
+		return;
 
 	f = fopen(random_entropy_file, "wb");
 	if (f == NULL) {