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| author | Sunad Bhandary <sunad.s@samsung.com> | 2015-07-31 15:26:58 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-08-19 23:28:24 +0200 |
| commit | e3f879bf1ea3e03f433d292b0114807785f0754b (patch) | |
| tree | 401e818caefbee7989cf4935a865c2ac61625571 /drivers/block | |
| parent | NVMe: Add nvme subsystem reset IOCTL (diff) | |
| download | linux-e3f879bf1ea3e03f433d292b0114807785f0754b.tar.xz linux-e3f879bf1ea3e03f433d292b0114807785f0754b.zip | |
NVMe:Remove unreachable code in nvme_abort_req
Removing unreachable code from nvme_abort_req as nvme_submit_cmd has no
failure status to return.
Signed-off-by: Sunad Bhandary <sunad.s@samsung.com>
Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/nvme-core.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index 3a35c5807bb7..caad00fbf820 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -384,7 +384,8 @@ static void *nvme_finish_cmd(struct nvme_queue *nvmeq, int tag, * * Safe to use from interrupt context */ -static int __nvme_submit_cmd(struct nvme_queue *nvmeq, struct nvme_command *cmd) +static void __nvme_submit_cmd(struct nvme_queue *nvmeq, + struct nvme_command *cmd) { u16 tail = nvmeq->sq_tail; @@ -397,18 +398,14 @@ static int __nvme_submit_cmd(struct nvme_queue *nvmeq, struct nvme_command *cmd) tail = 0; writel(tail, nvmeq->q_db); nvmeq->sq_tail = tail; - - return 0; } -static int nvme_submit_cmd(struct nvme_queue *nvmeq, struct nvme_command *cmd) +static void nvme_submit_cmd(struct nvme_queue *nvmeq, struct nvme_command *cmd) { unsigned long flags; - int ret; spin_lock_irqsave(&nvmeq->q_lock, flags); - ret = __nvme_submit_cmd(nvmeq, cmd); + __nvme_submit_cmd(nvmeq, cmd); spin_unlock_irqrestore(&nvmeq->q_lock, flags); - return ret; } static __le64 **iod_list(struct nvme_iod *iod) @@ -1079,7 +1076,8 @@ static int nvme_submit_async_admin_req(struct nvme_dev *dev) c.common.command_id = req->tag; blk_mq_free_request(req); - return __nvme_submit_cmd(nvmeq, &c); + __nvme_submit_cmd(nvmeq, &c); + return 0; } static int nvme_submit_admin_async_cmd(struct nvme_dev *dev, @@ -1102,7 +1100,8 @@ static int nvme_submit_admin_async_cmd(struct nvme_dev *dev, cmd->common.command_id = req->tag; - return nvme_submit_cmd(nvmeq, cmd); + nvme_submit_cmd(nvmeq, cmd); + return 0; } static int adapter_delete_queue(struct nvme_dev *dev, u8 opcode, u16 id) @@ -1314,12 +1313,7 @@ static void nvme_abort_req(struct request *req) dev_warn(nvmeq->q_dmadev, "Aborting I/O %d QID %d\n", req->tag, nvmeq->qid); - if (nvme_submit_cmd(dev->queues[0], &cmd) < 0) { - dev_warn(nvmeq->q_dmadev, - "Could not abort I/O %d QID %d", - req->tag, nvmeq->qid); - blk_mq_free_request(abort_req); - } + nvme_submit_cmd(dev->queues[0], &cmd); } static void nvme_cancel_queue_ios(struct request *req, void *data, bool reserved) |