From: Colin Walters <walters@verbum.org>
Date: Thu, 8 Sep 2016 14:29:10 +0000 (-0400)
Subject: delta: Add missing `goto out` for failure to mmap()
X-Git-Tag: archive/raspbian/2022.1-3+rpi1~1^2~4^2~47^2~6
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks:///%22http:/www.example.com/cgi/%22https:/%22bookmarks:/?a=commitdiff_plain;h=8dbb104cdcfaadad8a826eb76fec5f7058c5beb4;p=ostree.git

delta: Add missing `goto out` for failure to mmap()

This was hit in practice when generating a delta for a flatpak app on ARM
it looks like.

Closes: #497
Approved by: alexlarsson
---

diff --git a/src/libostree/ostree-repo-static-delta-compilation.c b/src/libostree/ostree-repo-static-delta-compilation.c
index 188f467d..15b1df8d 100644
--- a/src/libostree/ostree-repo-static-delta-compilation.c
+++ b/src/libostree/ostree-repo-static-delta-compilation.c
@@ -483,6 +483,8 @@ get_unpacked_unlinked_content (OstreeRepo       *repo,
     goto out;
   
   { GMappedFile *mfile = g_mapped_file_new_from_fd (fd, FALSE, error);
+    if (!mfile)
+      goto out;
     ret_content = g_mapped_file_get_bytes (mfile);
     g_mapped_file_unref (mfile);
   }