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null_blk: add lightnvm null_blk device to the nullb_list

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After register null_blk devices into lightnvm, we forget
to add these devices to the the nullb_list, makes them
invisible to the null_blk driver.

Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com>
Fixes: a514379b0c ("null_blk: oops when initializing without lightnvm")
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Wenwei Tao 2016-03-05 00:27:04 +08:00 committed by Jens Axboe
parent 237045fc3c
commit 3681c85dff
1 changed files with 2 additions and 1 deletions
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3
drivers/block/null_blk.c
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@ -742,10 +742,11 @@ static int null_add_dev(void)
add_disk(disk);
done:
mutex_lock(&lock);
list_add_tail(&nullb->list, &nullb_list);
mutex_unlock(&lock);
done:
return 0;
out_cleanup_lightnvm: