Add bugfix in GRUB2 squash4 squashfs code (home-assistant#1830)

buildroot-external/patches/grub2/0001-loadenv-add-file_env-to-load-var-from-file.patch

@@ -1,8 +1,8 @@
-From ee4adaa04e3ac1a5d20ad713a0133382c35da5a1 Mon Sep 17 00:00:00 2001
-Message-Id: <ee4adaa04e3ac1a5d20ad713a0133382c35da5a1.1645704230[email protected]>
+From 184b6a054e04bb4c7fb4885a30d62314229dc551 Mon Sep 17 00:00:00 2001
+Message-Id: <184b6a054e04bb4c7fb4885a30d62314229dc551.1650445464[email protected]>
 From: Stefan Agner <[email protected]>
 Date: Thu, 24 Feb 2022 12:38:48 +0100
-Subject: [PATCH] loadenv: add file_env to load var from file
+Subject: [PATCH 1/2] loadenv: add file_env to load var from file
 
 Introduce file_env which allows to load the value of a variable from a
 file. The variable value is terminated at the first non-printable
@@ -115,5 +115,5 @@ index 3fd664aac..7e7b18139 100644
 +  grub_unregister_extcmd (cmd_file);
  }
 -- 
-2.35.1
+2.35.3
 

buildroot-external/patches/grub2/0002-squash4-Fix-an-uninitialized-variable.patch

@@ -0,0 +1,44 @@
+From 3b2b7d0c9a886d913062ed5a9ffa8b764d882540 Mon Sep 17 00:00:00 2001
+Message-Id: <3b2b7d0c9a886d913062ed5a9ffa8b764d882540.1650445464.git.stefan@agner.ch>
+In-Reply-To: <184b6a054e04bb4c7fb4885a30d62314229dc551.1650445464.git.stefan@agner.ch>
+References: <184b6a054e04bb4c7fb4885a30d62314229dc551.1650445464.git.stefan@agner.ch>
+From: Peter Jones <[email protected]>
+Date: Mon, 27 Jan 2020 15:01:16 -0500
+Subject: [PATCH 2/2] squash4: Fix an uninitialized variable
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+gcc says:
+
+grub-core/fs/squash4.c: In function ‘direct_read’:
+grub-core/fs/squash4.c:868:10: error: ‘err’ may be used uninitialized in
+this function [-Werror=maybe-uninitialized]
+  868 |       if (err)
+      |          ^
+cc1: all warnings being treated as errors
+
+This patch initializes it to GRUB_ERR_NONE.
+
+Signed-off-by: Peter Jones <[email protected]>
+Reviewed-by: Daniel Kiper <[email protected]>
+---
+ grub-core/fs/squash4.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/grub-core/fs/squash4.c b/grub-core/fs/squash4.c
+index 95d5c1e1f..82704f966 100644
+--- a/grub-core/fs/squash4.c
++++ b/grub-core/fs/squash4.c
+@@ -746,7 +746,7 @@ direct_read (struct grub_squash_data *data,
+ 	     struct grub_squash_cache_inode *ino,
+ 	     grub_off_t off, char *buf, grub_size_t len)
+ {
+-  grub_err_t err;
++  grub_err_t err = GRUB_ERR_NONE;
+   grub_off_t cumulated_uncompressed_size = 0;
+   grub_uint64_t a = 0;
+   grub_size_t i;
+-- 
+2.35.3
+