You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.5 KiB
43 lines
1.5 KiB
From b911884dd707ba1e6f641eb17857df3155013a45 Mon Sep 17 00:00:00 2001
|
|
From: Daniel Axtens <dja@axtens.net>
|
|
Date: Mon, 18 Jan 2021 17:27:18 +1100
|
|
Subject: [PATCH] fs/btrfs: Squash some uninitialized reads
|
|
|
|
We need to check errors before calling into a function that uses the result.
|
|
|
|
Signed-off-by: Daniel Axtens <dja@axtens.net>
|
|
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
|
|
Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
|
|
---
|
|
grub-core/fs/btrfs.c | 4 ++--
|
|
1 file changed, 2 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/grub-core/fs/btrfs.c b/grub-core/fs/btrfs.c
|
|
index e4e87ba..d489cb0 100644
|
|
--- a/grub-core/fs/btrfs.c
|
|
+++ b/grub-core/fs/btrfs.c
|
|
@@ -381,9 +381,9 @@ next (struct grub_btrfs_data *data,
|
|
|
|
err = grub_btrfs_read_logical (data, grub_le_to_cpu64 (node.addr),
|
|
&head, sizeof (head), 0);
|
|
- check_btrfs_header (data, &head, grub_le_to_cpu64 (node.addr));
|
|
if (err)
|
|
return -err;
|
|
+ check_btrfs_header (data, &head, grub_le_to_cpu64 (node.addr));
|
|
|
|
save_ref (desc, grub_le_to_cpu64 (node.addr), 0,
|
|
grub_le_to_cpu32 (head.nitems), !head.level);
|
|
@@ -443,9 +443,9 @@ lower_bound (struct grub_btrfs_data *data,
|
|
/* FIXME: preread few nodes into buffer. */
|
|
err = grub_btrfs_read_logical (data, addr, &head, sizeof (head),
|
|
recursion_depth + 1);
|
|
- check_btrfs_header (data, &head, addr);
|
|
if (err)
|
|
return err;
|
|
+ check_btrfs_header (data, &head, addr);
|
|
addr += sizeof (head);
|
|
if (head.level)
|
|
{
|
|
--
|
|
2.14.2
|
|
|
|
|