diff options
| author |   Jon Derrick <jonathan.derrick@intel.com> | 2016-03-08 10:34:54 -0700 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2016-03-08 15:01:06 -0700 |
| commit | 48c7823f42da2bc881ae2e325ed40123871c2fb9 (patch) | |
| tree | 7812fce3f5881518f47404f3145e2a31aab53619 /drivers/nvme | |
| parent | bcache: fix cache_set_flush() NULL pointer dereference on OOM (diff) | |
| download | linux-dev-48c7823f42da2bc881ae2e325ed40123871c2fb9.tar.xz linux-dev-48c7823f42da2bc881ae2e325ed40123871c2fb9.zip | |
NVMe: Remove unused sq_head read in completion path
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/pci.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 74514c767429..e9f18e1d73e5 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -134,7 +134,6 @@ struct nvme_queue { u32 __iomem *q_db; u16 q_depth; s16 cq_vector; - u16 sq_head; u16 sq_tail; u16 cq_head; u16 qid; @@ -719,7 +718,6 @@ static void __nvme_process_cq(struct nvme_queue *nvmeq, unsigned int *tag) if ((status & 1) != phase) break; - nvmeq->sq_head = le16_to_cpu(cqe.sq_head); if (++head == nvmeq->q_depth) { head = 0; phase = !phase; |