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-rw-r--r--drivers/md/dm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 662742a310cb..acc84dc1bded 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1786,8 +1786,10 @@ static struct mapped_device *alloc_dev(int minor)
if (IS_ENABLED(CONFIG_DAX_DRIVER)) {
md->dax_dev = alloc_dax(md, md->disk->disk_name,
&dm_dax_ops, 0);
- if (IS_ERR(md->dax_dev))
+ if (IS_ERR(md->dax_dev)) {
+ md->dax_dev = NULL;
goto bad;
+ }
}
format_dev_t(md->name, MKDEV(_major, minor));