From 3681c85dffda70e551dead31c8d102bd69033fe8 Mon Sep 17 00:00:00 2001 From: Wenwei Tao Date: Sat, 5 Mar 2016 00:27:04 +0800 Subject: null_blk: add lightnvm null_blk device to the nullb_list 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 Fixes: a514379b0c77 ("null_blk: oops when initializing without lightnvm") Signed-off-by: Jens Axboe --- drivers/block/null_blk.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/block/null_blk.c') diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 64a7b5971b57..cab97593ba54 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -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: -- cgit v1.2.3