Messages in this thread Patch in this message | | | From | Matias Bjørling <> | Subject | [PATCH RFC 1/3] lightnvm: check mm before use | Date | Wed, 2 Dec 2015 13:16:21 +0100 |
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The core can initialize I/Os before a media manager is registered with the lightnvm subsystem. Make sure that we don't call the media manager prematurely.
Signed-off-by: Matias Bjørling <m@bjorling.me> --- drivers/nvme/host/lightnvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index 06c3364..762c9a7 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -455,7 +455,7 @@ static void nvme_nvm_end_io(struct request *rq, int error) struct nvm_rq *rqd = rq->end_io_data; struct nvm_dev *dev = rqd->dev; - if (dev->mt->end_io(rqd, error)) + if (dev->mt && dev->mt->end_io(rqd, error)) pr_err("nvme: err status: %x result: %lx\n", rq->errors, (unsigned long)rq->special); -- 2.1.4
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