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NVMe: Zero the command before we send it

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Make sure there's no left-over bits set from previous commands that used
this slot.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
This commit is contained in:
Matthew Wilcox 2011-01-26 10:08:25 -05:00
parent ff22b54fda
commit b8deb62cf2
1 changed files with 1 additions and 0 deletions
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drivers/block/nvme.c
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@ -322,6 +322,7 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns,
spin_lock_irqsave(&nvmeq->q_lock, flags);
cmnd = &nvmeq->sq_cmds[nvmeq->sq_tail];
memset(cmnd, 0, sizeof(*cmnd));
if (bio_data_dir(bio)) {
cmnd->rw.opcode = nvme_cmd_write;
dma_dir = DMA_TO_DEVICE;