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Date: Fri, 27 Nov 2015 21:26:12 +0800 From: Minfei Huang <mnfhuang@...il.com> To: axboe@...com, m@...rling.me, akinobu.mita@...il.com, rusty@...tcorp.com.au, keith.busch@...el.com, mcgrof@...e.com, krinkin.m.u@...il.com Cc: linux-kernel@...r.kernel.org, mhuang@...hat.com, Minfei Huang <mnfhuang@...il.com> Subject: [PATCH 1/2] null_blk: Remove null block from list in error path To make consistent of null block list, we should remove enqueued null block from the list before freeing it. Signed-off-by: Minfei Huang <mnfhuang@...il.com> --- drivers/block/null_blk.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index ec99568..729ecd7 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -738,7 +738,7 @@ static int null_add_dev(void) rv = nvm_register(nullb->q, nullb->disk_name, &null_lnvm_dev_ops); if (rv) - goto out_cleanup_blk_queue; + goto out_cleanup_blk_list; goto done; } @@ -765,6 +765,10 @@ done: out_cleanup_lightnvm: if (use_lightnvm) nvm_unregister(nullb->disk_name); +out_cleanup_blk_list: + mutex_lock(&lock); + list_del_init(&nullb->list); + mutex_unlock(&lock); out_cleanup_blk_queue: blk_cleanup_queue(nullb->q); out_cleanup_tags: -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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