From 618cff4285dc0ef6ebb99f715116e7af62565293 Mon Sep 17 00:00:00 2001 From: Chaitanya Kulkarni Date: Thu, 10 May 2018 02:46:30 -0400 Subject: [PATCH] nvmet: remove duplicate NULL initialization for req->ns Remove the duplicate NULL initialization for req->ns. req->ns is always initialized to NULL in nvmet_req_init(), so there is no need to reset it later on failures unless we have previously assigned a value to it. Signed-off-by: Chaitanya Kulkarni Signed-off-by: Christoph Hellwig --- drivers/nvme/target/admin-cmd.c | 2 -- drivers/nvme/target/core.c | 1 - drivers/nvme/target/discovery.c | 2 -- drivers/nvme/target/fabrics-cmd.c | 4 ---- drivers/nvme/target/io-cmd.c | 4 +--- 5 files changed, 1 insertion(+), 12 deletions(-) diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index 5e0e9fcc0d4d..d1afcfd89aa3 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -548,8 +548,6 @@ u16 nvmet_parse_admin_cmd(struct nvmet_req *req) struct nvme_command *cmd = req->cmd; u16 ret; - req->ns = NULL; - ret = nvmet_check_ctrl_status(req, cmd); if (unlikely(ret)) return ret; diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 4a9908bb7de0..6d8eaf3f89c5 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -718,7 +718,6 @@ u16 nvmet_check_ctrl_status(struct nvmet_req *req, struct nvme_command *cmd) if (unlikely(!(req->sq->ctrl->csts & NVME_CSTS_RDY))) { pr_err("got cmd %d while CSTS.RDY == 0 on qid = %d\n", cmd->common.opcode, req->sq->qid); - req->ns = NULL; return NVME_SC_CMD_SEQ_ERROR | NVME_SC_DNR; } return 0; diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c index 231e04e0a496..08656b849bd6 100644 --- a/drivers/nvme/target/discovery.c +++ b/drivers/nvme/target/discovery.c @@ -187,8 +187,6 @@ u16 nvmet_parse_discovery_cmd(struct nvmet_req *req) { struct nvme_command *cmd = req->cmd; - req->ns = NULL; - if (unlikely(!(req->sq->ctrl->csts & NVME_CSTS_RDY))) { pr_err("got cmd %d while not ready\n", cmd->common.opcode); diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c index 19e9e42ae943..d84ae004cb85 100644 --- a/drivers/nvme/target/fabrics-cmd.c +++ b/drivers/nvme/target/fabrics-cmd.c @@ -77,8 +77,6 @@ u16 nvmet_parse_fabrics_cmd(struct nvmet_req *req) { struct nvme_command *cmd = req->cmd; - req->ns = NULL; - switch (cmd->fabrics.fctype) { case nvme_fabrics_type_property_set: req->data_len = 0; @@ -242,8 +240,6 @@ u16 nvmet_parse_connect_cmd(struct nvmet_req *req) { struct nvme_command *cmd = req->cmd; - req->ns = NULL; - if (cmd->common.opcode != nvme_fabrics_command) { pr_err("invalid command 0x%x on unconnected queue.\n", cmd->fabrics.opcode); diff --git a/drivers/nvme/target/io-cmd.c b/drivers/nvme/target/io-cmd.c index cd2344179673..e5eb2db4d20f 100644 --- a/drivers/nvme/target/io-cmd.c +++ b/drivers/nvme/target/io-cmd.c @@ -195,10 +195,8 @@ u16 nvmet_parse_io_cmd(struct nvmet_req *req) u16 ret; ret = nvmet_check_ctrl_status(req, cmd); - if (unlikely(ret)) { - req->ns = NULL; + if (unlikely(ret)) return ret; - } req->ns = nvmet_find_namespace(req->sq->ctrl, cmd->rw.nsid); if (unlikely(!req->ns))