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| author | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2011-01-26 18:08:25 +0300 |
|---|---|---|
| committer | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2011-11-04 23:52:52 +0400 |
| commit | b8deb62cf271fa9381edc8cf52bcae2f0225c55a (patch) | |
| tree | 3ece114bd1cdaaeed51ae55b81185dfbd26073bd /drivers/block/nvme.c | |
| parent | ff22b54fda2078fc3cd1bcdcb7a5ce5d08fd6591 (diff) | |
| download | linux-b8deb62cf271fa9381edc8cf52bcae2f0225c55a.tar.xz | |
NVMe: Zero the command before we send it
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>
Diffstat (limited to 'drivers/block/nvme.c')
| -rw-r--r-- | drivers/block/nvme.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c index 1e57737b1760..25ca7af96469 100644 --- a/drivers/block/nvme.c +++ b/drivers/block/nvme.c @@ -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; |