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Btrfs: fix use-after-free in __btrfs_end_transaction
authorDave Jones <davej@redhat.com>
Thu, 12 Apr 2012 20:03:56 +0000 (16:03 -0400)
committerChris Mason <chris.mason@oracle.com>
Thu, 12 Apr 2012 20:03:56 +0000 (16:03 -0400)
commit1d84a884a5bd947ddbfe9a375577c77a7a03e575
tree6e31a2d72b9bb05f46960c0a8a789044f5dcf584tree | snapshot
parent4f3b0cdbf72126ff00d641ea6e20688efe421604commit | diff
Btrfs: fix use-after-free in __btrfs_end_transaction

06e2c498150b6598221df1f60d9caa335ce53098 introduced a use-after-free bug
that caused spurious -EIO's to be returned.

Do the check before we free the transaction.

Cc: David Sterba <dsterba@suse.cz>
Cc: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/transaction.c diff | blob | history
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