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nvmet: remove duplicate NULL initialization for req->ns

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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 <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Chaitanya Kulkarni 2018-05-10 02:46:30 -04:00 committed by Christoph Hellwig
parent b40b83e365
commit 618cff4285
5 changed files with 1 additions and 12 deletions
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2
drivers/nvme/target/admin-cmd.c
View File

@ -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;

1
drivers/nvme/target/core.c
View File

@ -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;

2
drivers/nvme/target/discovery.c
View File

@ -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);

4
drivers/nvme/target/fabrics-cmd.c
View File

@ -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);

4
drivers/nvme/target/io-cmd.c
View File

@ -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))