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authorMatthew Wilcox <matthew.r.wilcox@intel.com>2011-01-26 10:08:25 -0500
committerMatthew Wilcox <matthew.r.wilcox@intel.com>2011-11-04 15:52:52 -0400
commitb8deb62cf271fa9381edc8cf52bcae2f0225c55a (patch)
tree3ece114bd1cdaaeed51ae55b81185dfbd26073bd
parentff22b54fda2078fc3cd1bcdcb7a5ce5d08fd6591 (diff)
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>
-rw-r--r--drivers/block/nvme.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c
index 1e57737b176..25ca7af9646 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;