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authorChaitanya Kulkarni2020-07-28 19:36:48 -0700
committerChristoph Hellwig2020-07-29 07:46:28 +0200
commitb6cec06d19d90db5dbcc50034fb33983f6259b8b (patch)
tree4193e82a579b4c627ad5139f1b87258bd9d2e44d /drivers/nvme
parent64d452b3560b7a55277c8d9ef0a8635e62136580 (diff)
nvme-loop: remove extra variable in create ctrl
We can call the nvme_change_ctrl_state() directly and have WARN_ON_ONCE(1) call instead of having to use an extra variable which matches the name of the function. Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/target/loop.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index 14d820c9a276..4884ef1e46a2 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -444,7 +444,6 @@ static void nvme_loop_reset_ctrl_work(struct work_struct *work)
{
struct nvme_loop_ctrl *ctrl =
container_of(work, struct nvme_loop_ctrl, ctrl.reset_work);
- bool changed;
int ret;
nvme_stop_ctrl(&ctrl->ctrl);
@@ -471,8 +470,8 @@ static void nvme_loop_reset_ctrl_work(struct work_struct *work)
blk_mq_update_nr_hw_queues(&ctrl->tag_set,
ctrl->ctrl.queue_count - 1);
- changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE);
- WARN_ON_ONCE(!changed);
+ if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE))
+ WARN_ON_ONCE(1);
nvme_start_ctrl(&ctrl->ctrl);
@@ -567,7 +566,6 @@ static struct nvme_ctrl *nvme_loop_create_ctrl(struct device *dev,
struct nvmf_ctrl_options *opts)
{
struct nvme_loop_ctrl *ctrl;
- bool changed;
int ret;
ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
@@ -583,8 +581,8 @@ static struct nvme_ctrl *nvme_loop_create_ctrl(struct device *dev,
if (ret)
goto out_put_ctrl;
- changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING);
- WARN_ON_ONCE(!changed);
+ if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING))
+ WARN_ON_ONCE(1);
ret = -ENOMEM;
@@ -620,8 +618,8 @@ static struct nvme_ctrl *nvme_loop_create_ctrl(struct device *dev,
dev_info(ctrl->ctrl.device,
"new ctrl: \"%s\"\n", ctrl->ctrl.opts->subsysnqn);
- changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE);
- WARN_ON_ONCE(!changed);
+ if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE))
+ WARN_ON_ONCE(1);
mutex_lock(&nvme_loop_ctrl_mutex);
list_add_tail(&ctrl->list, &nvme_loop_ctrl_list);