dm: only initialize md->dax_dev if CONFIG_DAX_DRIVER is enabled

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md->dax_dev defaults to NULL and there is no need to initialize it
if CONFIG_DAX_DRIVER is disabled.

Signed-off-by: Peng Wang <rocking@whu.edu.cn>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

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Peng Wang 2019-04-18 21:59:19 +08:00 • committed by Mike Snitzer

parent 5de719e3d0

commit 514cf4f881

1 changed files with 2 additions and 4 deletions

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6

drivers/md/dm.c

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