From: Kirill Zhumarin <kirill.zhumarin@gmail.com>
Date: Thu, 2 Jul 2020 12:25:35 +0000 (+0300)
Subject: Initialize to zero only size + check for null
X-Git-Tag: v3.5.0~22^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a638ec22e341a934823615b8d54e55b170779c93;p=thirdparty%2Flibarchive.git

Initialize to zero only size + check for null
---

diff --git a/libarchive/archive_read_support_format_rar5.c b/libarchive/archive_read_support_format_rar5.c
index 2eff80ca2..2c36db314 100644
--- a/libarchive/archive_read_support_format_rar5.c
+++ b/libarchive/archive_read_support_format_rar5.c
@@ -3906,8 +3906,8 @@ static int rar5_read_data(struct archive_read *a, const void **buff,
 	int ret;
 	struct rar5* rar = get_context(a);
 
-	*offset = 0;
-	*size = 0;
+	if (size)
+		*size = 0;
 
 	if(rar->file.dir > 0) {
 		/* Don't process any data if this file entry was declared