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| H A D | backref.c | diff c15c2ec07a26b251040943a1a9f90d3037f041e5 Thu Aug 06 01:31:44 CDT 2020 Boleyn Su <boleynsu@google.com> btrfs: check correct variable after allocation in btrfs_backref_iter_alloc
The `if (!ret)` check will always be false and it may result in
ret->path being dereferenced while it is a NULL pointer.
Fixes: a37f232b7b65 ("btrfs: backref: introduce the skeleton of btrfs_backref_iter")
CC: stable@vger.kernel.org # 5.8+
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Boleyn Su <boleynsu@google.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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