Upstream commit dcf2d804ed6ffe5e942b909ed5e5b74628be6ee4. Some of the error path in ext4_fill_super don't release the resources properly. So this patch just try to release them in the right way.
Cc: [email protected] # 3.0.x 3.1.x Signed-off-by: Tao Ma <[email protected]> Signed-off-by: "Theodore Ts'o" <[email protected]> Signed-off-by: Jeff Mahoney <[email protected]> --- fs/ext4/super.c | 19 +++++++++++-------- 1 files changed, 11 insertions(+), 8 deletions(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 07f3de3..db2cd3f 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3785,22 +3785,19 @@ 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); @@ -3834,13 +3831,19 @@ 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; -- Jeff Mahoney SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
