nvmet: remove redundant local variable
authorSagi Grimberg <sagi@grimberg.me>
Wed, 8 Nov 2017 10:00:30 +0000 (12:00 +0200)
committerJens Axboe <axboe@kernel.dk>
Sat, 11 Nov 2017 02:53:25 +0000 (19:53 -0700)
the status is either success or some status id and
we don't need a local variable for it.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/nvme/target/admin-cmd.c

index dd087be..90dcdc4 100644 (file)
@@ -35,17 +35,14 @@ u32 nvmet_get_log_page_len(struct nvme_command *cmd)
 static u16 nvmet_get_smart_log_nsid(struct nvmet_req *req,
                struct nvme_smart_log *slog)
 {
-       u16 status;
        struct nvmet_ns *ns;
        u64 host_reads, host_writes, data_units_read, data_units_written;
 
-       status = NVME_SC_SUCCESS;
        ns = nvmet_find_namespace(req->sq->ctrl, req->cmd->get_log_page.nsid);
        if (!ns) {
-               status = NVME_SC_INVALID_NS;
                pr_err("nvmet : Could not find namespace id : %d\n",
                                le32_to_cpu(req->cmd->get_log_page.nsid));
-               goto out;
+               return NVME_SC_INVALID_NS;
        }
 
        host_reads = part_stat_read(ns->bdev->bd_part, ios[READ]);
@@ -58,20 +55,18 @@ static u16 nvmet_get_smart_log_nsid(struct nvmet_req *req,
        put_unaligned_le64(host_writes, &slog->host_writes[0]);
        put_unaligned_le64(data_units_written, &slog->data_units_written[0]);
        nvmet_put_namespace(ns);
-out:
-       return status;
+
+       return NVME_SC_SUCCESS;
 }
 
 static u16 nvmet_get_smart_log_all(struct nvmet_req *req,
                struct nvme_smart_log *slog)
 {
-       u16 status;
        u64 host_reads = 0, host_writes = 0;
        u64 data_units_read = 0, data_units_written = 0;
        struct nvmet_ns *ns;
        struct nvmet_ctrl *ctrl;
 
-       status = NVME_SC_SUCCESS;
        ctrl = req->sq->ctrl;
 
        rcu_read_lock();
@@ -91,7 +86,7 @@ static u16 nvmet_get_smart_log_all(struct nvmet_req *req,
        put_unaligned_le64(host_writes, &slog->host_writes[0]);
        put_unaligned_le64(data_units_written, &slog->data_units_written[0]);
 
-       return status;
+       return NVME_SC_SUCCESS;
 }
 
 static u16 nvmet_get_smart_log(struct nvmet_req *req,