btrfs: fix error pointer check in __btrfs_map_block()
The btrfs_get_chunk_map() never returns NULL, it returns error pointers. Fixes: 89b798ad ("btrfs: Use btrfs_get_io_geometry appropriately") Reviewed-by:Nikolay Borisov <nborisov@suse.com> Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
David Sterba <dsterba@suse.com> Signed-off-by:
David Sterba <dsterba@suse.com>
parent
3b80a984
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