From: Tim Kientzle <kientzle@gmail.com>
Date: Tue, 18 Nov 2008 16:09:40 +0000 (-0500)
Subject: Don't assign through a NULL pointer.
X-Git-Tag: v2.6.0~37
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7a049f75649fbd5c923c180b95dae2bd49fdaff7;p=thirdparty%2Flibarchive.git

Don't assign through a NULL pointer.

SVN-Revision: 256
---

diff --git a/libarchive/archive_read.c b/libarchive/archive_read.c
index 24e2596b7..e986dfb81 100644
--- a/libarchive/archive_read.c
+++ b/libarchive/archive_read.c
@@ -793,7 +793,8 @@ __archive_read_ahead(struct archive_read *a, size_t min, ssize_t *avail)
 	size_t tocopy;
 
 	if (a->fatal) {
-		*avail = ARCHIVE_FATAL;
+		if (avail)
+			*avail = ARCHIVE_FATAL;
 		return (NULL);
 	}