From: Wenwei Tao Date: Fri, 4 Mar 2016 16:27:04 +0000 (+0800) Subject: null_blk: add lightnvm null_blk device to the nullb_list X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3681c85dffda70e551dead31c8d102bd69033fe8;p=linux-beck.git 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 --- 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: