grub2/SOURCES/0235-Fix-getroot.c-s-trampolines.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Fri, 28 Sep 2018 15:42:19 -0400
Subject: [PATCH] Fix getroot.c's trampolines.

This makes the stack executable on most of the grub utilities, which is
bad, and rpmdiff complains about it.

Related: rhbz#1633646

Signed-off-by: Peter Jones <pjones@redhat.com>
---
 grub-core/osdep/linux/getroot.c | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/grub-core/osdep/linux/getroot.c b/grub-core/osdep/linux/getroot.c
index 4c5a13022..388a0f706 100644
--- a/grub-core/osdep/linux/getroot.c
+++ b/grub-core/osdep/linux/getroot.c
@@ -1264,22 +1264,20 @@ grub_util_get_grub_dev_os (const char *os_dev)
   return grub_dev;
 }
 
+static void *mp = NULL;
+static void
+btrfs_mount_path_hook(const char *m)
+{
+  mp = strdup (m);
+}
 
 char *
 grub_util_get_btrfs_subvol (const char *path, char **mount_path)
 {
-  char *mp = NULL;
-
   if (mount_path)
     *mount_path = NULL;
 
-  auto void
-  mount_path_hook (const char *m)
-  {
-    mp = strdup (m);
-  }
-
-  grub_find_root_btrfs_mount_path_hook = mount_path_hook;
+  grub_find_root_btrfs_mount_path_hook = btrfs_mount_path_hook;
   grub_free (grub_find_root_devices_from_mountinfo (path, NULL));
   grub_find_root_btrfs_mount_path_hook = NULL;