From 204964fd8d4a993a57f3a5a98ad620350fae1098 Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Fri, 20 Mar 2015 14:55:42 -0500
Subject: [PATCH] sha1: Return right away if checksum creation fails

This patch covers pbkdf2_sha1 and prf_sha1
---
 src/sha1.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/sha1.c b/src/sha1.c
index f8b81940..fda70e33 100644
--- a/src/sha1.c
+++ b/src/sha1.c
@@ -131,6 +131,8 @@ bool pbkdf2_sha1(const void *password, size_t password_len,
 	unsigned int i;
 
 	checksum = l_checksum_new(L_CHECKSUM_SHA1);
+	if (!checksum)
+		return false;
 
 	for (i = 1; size > 0; i++) {
 		size_t len;
@@ -160,6 +162,8 @@ bool prf_sha1(const void *key, size_t key_len,
 	unsigned int i, offset = 0;
 
 	checksum = l_checksum_new(L_CHECKSUM_SHA1);
+	if (!checksum)
+		return false;
 
 	memcpy(input, prefix, prefix_len);
 	input[prefix_len] = 0;