Re: [PATCH 06/10] btrfs-progs: vailidate pointer before dereferencing it in btrfs_cow_block()

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On Mon, Oct 19, 2015 at 07:37:56PM +0800, Eryu Guan wrote:
> Check trans before dereferencing it.

Have you found a code path where 'trans' can be NULL? A quick search did
not reveal anything.
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