This is a note to let you know that I've just added the patch titled
ext4: Free resources in some error path in ext4_fill_super
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ext4-free-resources-in-some-error-path-in-ext4_fill_super.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From dcf2d804ed6ffe5e942b909ed5e5b74628be6ee4 Mon Sep 17 00:00:00 2001
From: Tao Ma <[email protected]>
Date: Thu, 6 Oct 2011 12:10:11 -0400
Subject: ext4: Free resources in some error path in ext4_fill_super
From: Tao Ma <[email protected]>
commit dcf2d804ed6ffe5e942b909ed5e5b74628be6ee4 upstream.
Some of the error path in ext4_fill_super don't release the
resouces properly. So this patch just try to release them
in the right way.
Signed-off-by: Tao Ma <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]>
Signed-off-by: Jeff Mahoney <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/ext4/super.c | 19 +++++++++++--------
1 file changed, 11 insertions(+), 8 deletions(-)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3681,22 +3681,19 @@ no_journal:
if (err) {
ext4_msg(sb, KERN_ERR, "failed to initialize mballoc (%d)",
err);
- goto failed_mount4;
+ goto failed_mount5;
}
err = ext4_register_li_request(sb, first_not_zeroed);
if (err)
- goto failed_mount4;
+ goto failed_mount6;
sbi->s_kobj.kset = ext4_kset;
init_completion(&sbi->s_kobj_unregister);
err = kobject_init_and_add(&sbi->s_kobj, &ext4_ktype, NULL,
"%s", sb->s_id);
- if (err) {
- ext4_mb_release(sb);
- ext4_ext_release(sb);
- goto failed_mount4;
- };
+ if (err)
+ goto failed_mount7;
EXT4_SB(sb)->s_mount_state |= EXT4_ORPHAN_FS;
ext4_orphan_cleanup(sb, es);
@@ -3730,13 +3727,19 @@ cantfind_ext4:
ext4_msg(sb, KERN_ERR, "VFS: Can't find ext4 filesystem");
goto failed_mount;
+failed_mount7:
+ ext4_unregister_li_request(sb);
+failed_mount6:
+ ext4_ext_release(sb);
+failed_mount5:
+ ext4_mb_release(sb);
+ ext4_release_system_zone(sb);
failed_mount4:
iput(root);
sb->s_root = NULL;
ext4_msg(sb, KERN_ERR, "mount failed");
destroy_workqueue(EXT4_SB(sb)->dio_unwritten_wq);
failed_mount_wq:
- ext4_release_system_zone(sb);
if (sbi->s_journal) {
jbd2_journal_destroy(sbi->s_journal);
sbi->s_journal = NULL;
Patches currently in stable-queue which might be from [email protected] are
queue-3.0/ext4-free-resources-in-some-error-path-in-ext4_fill_super.patch
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