+ md-fix-use-after-free-when-removing-rdev-via-sysfs.patch added to -mm tree

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The patch titled
     md: fix use after free when removing rdev via sysfs
has been added to the -mm tree.  Its filename is
     md-fix-use-after-free-when-removing-rdev-via-sysfs.patch

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*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: md: fix use after free when removing rdev via sysfs
From: Dan Williams <dan.j.williams@xxxxxxxxx>

rdev->mddev is no longer valid upon return from entry->store() when the
'remove' command is given.

Cc: <stable@xxxxxxxxxx>
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Signed-off-by: Neil Brown <neilb@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 drivers/md/md.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN drivers/md/md.c~md-fix-use-after-free-when-removing-rdev-via-sysfs drivers/md/md.c
--- a/drivers/md/md.c~md-fix-use-after-free-when-removing-rdev-via-sysfs
+++ a/drivers/md/md.c
@@ -2096,7 +2096,7 @@ rdev_attr_store(struct kobject *kobj, st
 			rv = -EBUSY;
 		else
 			rv = entry->store(rdev, page, length);
-		mddev_unlock(rdev->mddev);
+		mddev_unlock(mddev);
 	}
 	return rv;
 }
_

Patches currently in -mm which might be from dan.j.williams@xxxxxxxxx are

origin.patch
sysfs-provide-a-clue-about-the-effects-of-config_usb_device_class=y.patch
fsldma-the-mpc8377mds-board-device-tree-node-for-fsldma-driver.patch
md-fix-use-after-free-when-removing-rdev-via-sysfs.patch
md-remove-a-stray-command-from-a-copy-and-paste-error-in-resync_start_store.patch
md-prevent-duplicates-in-bind_rdev_to_array.patch
md-md-raid5-rate-limit-error-printk.patch
md-md-support-blocking-writes-to-an-array-on-device-failure.patch

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