Messages in this thread Patch in this message | | | From | Peng Wang <> | Subject | [PATCH] dm: initialize md->dax_dev only with CONFIG_DAX_DRIVER enabled | Date | Thu, 18 Apr 2019 21:59:19 +0800 |
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md->dax_dev is NULL default and there is no need to process it without CONFIG_DAX_DRIVER configured.
Signed-off-by: Peng Wang <rocking@whu.edu.cn> --- drivers/md/dm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 043f0761e4a0..418a51cf194c 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1972,8 +1972,8 @@ static struct mapped_device *alloc_dev(int minor) dax_dev = alloc_dax(md, md->disk->disk_name, &dm_dax_ops); if (!dax_dev) goto bad; + md->dax_dev = dax_dev; } - md->dax_dev = dax_dev; add_disk_no_queue_reg(md->disk); format_dev_t(md->name, MKDEV(_major, minor)); -- 2.19.1
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