The patch titled
bdev: fix ->bd_part_count leak
has been added to the -mm tree. Its filename is
bdev-fix-bd_part_count-leak.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: bdev: fix ->bd_part_count leak
From: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Don't leak a ->bd_part_count when the partition open fails with -ENXIO.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Neil Brown <neilb@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
fs/block_dev.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -puN fs/block_dev.c~bdev-fix-bd_part_count-leak fs/block_dev.c
--- a/fs/block_dev.c~bdev-fix-bd_part_count-leak
+++ a/fs/block_dev.c
@@ -902,6 +902,7 @@ EXPORT_SYMBOL(bd_set_size);
static int __blkdev_get(struct block_device *bdev, mode_t mode, unsigned flags,
int for_part);
+static int __blkdev_put(struct block_device *bdev, int for_part);
static int do_open(struct block_device *bdev, struct file *file, int for_part)
{
@@ -987,7 +988,7 @@ out_first:
bdev->bd_disk = NULL;
bdev->bd_inode->i_data.backing_dev_info = &default_backing_dev_info;
if (bdev != bdev->bd_contains)
- blkdev_put(bdev->bd_contains);
+ __blkdev_put(bdev->bd_contains, 1);
bdev->bd_contains = NULL;
put_disk(disk);
module_put(owner);
_
Patches currently in -mm which might be from a.p.zijlstra@xxxxxxxxx are
nfs4-fix-for-recursive-locking-problem.patch
bonding-lockdep-annotation.patch
lockdep-annotate-sk_lock-nesting-in-af_bluetooth-v2.patch
grab-swap-token-reordered.patch
new-scheme-to-preempt-swap-token.patch
new-scheme-to-preempt-swap-token-tidy.patch
mm-arch-do_page_fault-vs-in_atomic.patch
mm-pagefault_disableenable.patch
mm-kummap_atomic-vs-in_atomic.patch
lockdep-annotate-nfs-nfsd-in-kernel-sockets.patch
lockdep-annotate-nfs-nfsd-in-kernel-sockets-tidy.patch
lockdep-fix-ide-proc-interaction.patch
lockdep-spin_lock_irqsave_nested.patch
lockdep-spin_lock_irqsave_nested-fix.patch
lockdep-spin_lock_irqsave_nested-fix-2.patch
lockdep-annotate-bcsp-driver.patch
tty-signal-tty-locking.patch
tty-signal-tty-locking-3270-fix.patch
do_task_stat-dont-take-tty_mutex.patch
do_acct_process-dont-take-tty_mutex.patch
sys_unshare-remove-a-broken-clone_sighand-code.patch
remove-the-old-bd_mutex-lockdep-annotation.patch
new-bd_mutex-lockdep-annotation.patch
remove-lock_key-approach-to-managing-nested-bd_mutex-locks.patch
simplify-some-aspects-of-bd_mutex-nesting.patch
use-mutex_lock_nested-for-bd_mutex-to-avoid-lockdep-warning.patch
avoid-lockdep-warning-in-md.patch
bdev-fix-bd_part_count-leak.patch
lockdep-annotate-nfsd4-recover-code.patch
-
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