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Date:   Mon, 11 Dec 2017 13:05:34 +1100
From:   Stephen Rothwell <>
To:     Alasdair G Kergon <>,
        Mike Snitzer <>
Cc:     Linux-Next Mailing List <>,
        Linux Kernel Mailing List <>
Subject: linux-next: build warning after merge of the device-mapper tree

Hi all,

After merging the device-mapper tree, today's linux-next build (powerp
ppc64_defconfig) produced this warning:

drivers/md/dm.c: In function '__send_changing_extent_only':
drivers/md/dm.c:1365:45: warning: 'ti' may be used uninitialized in this function [-Wmaybe-uninitialized]
  num_bios = get_num_bios ? get_num_bios(ti) : 0;

Introduced by commit

  aecefd4919de ("dm: fix __send_changing_extent_only() to send first bio and chain remainder")

This looks particularly bad :-(
Stephen Rothwell

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