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Date: Mon, 17 Feb 2014 15:13:25 +0200
From: Tomas Winkler <tomas.winkler@...el.com>
To: gregkh@...uxfoundation.org
Cc: arnd@...db.de, linux-kernel@...r.kernel.org,
Tomas Winkler <tomas.winkler@...el.com>
Subject: [char-misc-next 09/11] mei: don't of list_for_each_entry_safe when not deleting
We can use simply list_for_each_entry if there is no
entry removal
Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
---
drivers/misc/mei/amthif.c | 12 +++++-------
drivers/misc/mei/bus.c | 4 ++--
drivers/misc/mei/client.c | 23 +++++++++++------------
drivers/misc/mei/hbm.c | 9 ++++-----
drivers/misc/mei/interrupt.c | 13 ++++++-------
5 files changed, 28 insertions(+), 33 deletions(-)
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
index c0b54a0..f05d54d 100644
--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -132,14 +132,12 @@ int mei_amthif_host_init(struct mei_device *dev)
struct mei_cl_cb *mei_amthif_find_read_list_entry(struct mei_device *dev,
struct file *file)
{
- struct mei_cl_cb *pos = NULL;
- struct mei_cl_cb *next = NULL;
+ struct mei_cl_cb *cb;
- list_for_each_entry_safe(pos, next,
- &dev->amthif_rd_complete_list.list, list) {
- if (pos->cl && pos->cl == &dev->iamthif_cl &&
- pos->file_object == file)
- return pos;
+ list_for_each_entry(cb, &dev->amthif_rd_complete_list.list, list) {
+ if (cb->cl && cb->cl == &dev->iamthif_cl &&
+ cb->file_object == file)
+ return cb;
}
return NULL;
}
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index cf4cc0b..463ae51 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -145,9 +145,9 @@ static struct device_type mei_cl_device_type = {
static struct mei_cl *mei_bus_find_mei_cl_by_uuid(struct mei_device *dev,
uuid_le uuid)
{
- struct mei_cl *cl, *next;
+ struct mei_cl *cl;
- list_for_each_entry_safe(cl, next, &dev->device_list, device_link) {
+ list_for_each_entry(cl, &dev->device_list, device_link) {
if (!uuid_le_cmp(uuid, cl->device_uuid))
return cl;
}
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index ec19e38..aac7cdb 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -251,10 +251,9 @@ struct mei_cl *mei_cl_allocate(struct mei_device *dev)
struct mei_cl_cb *mei_cl_find_read_cb(struct mei_cl *cl)
{
struct mei_device *dev = cl->dev;
- struct mei_cl_cb *cb = NULL;
- struct mei_cl_cb *next = NULL;
+ struct mei_cl_cb *cb;
- list_for_each_entry_safe(cb, next, &dev->read_list.list, list)
+ list_for_each_entry(cb, &dev->read_list.list, list)
if (mei_cl_cmp_id(cl, cb->cl))
return cb;
return NULL;
@@ -474,17 +473,17 @@ free:
bool mei_cl_is_other_connecting(struct mei_cl *cl)
{
struct mei_device *dev;
- struct mei_cl *pos;
- struct mei_cl *next;
+ struct mei_cl *ocl; /* the other client */
if (WARN_ON(!cl || !cl->dev))
return false;
dev = cl->dev;
- list_for_each_entry_safe(pos, next, &dev->file_list, link) {
- if ((pos->state == MEI_FILE_CONNECTING) &&
- (pos != cl) && cl->me_client_id == pos->me_client_id)
+ list_for_each_entry(ocl, &dev->file_list, link) {
+ if (ocl->state == MEI_FILE_CONNECTING &&
+ ocl != cl &&
+ cl->me_client_id == ocl->me_client_id)
return true;
}
@@ -919,9 +918,9 @@ void mei_cl_complete(struct mei_cl *cl, struct mei_cl_cb *cb)
void mei_cl_all_disconnect(struct mei_device *dev)
{
- struct mei_cl *cl, *next;
+ struct mei_cl *cl;
- list_for_each_entry_safe(cl, next, &dev->file_list, link) {
+ list_for_each_entry(cl, &dev->file_list, link) {
cl->state = MEI_FILE_DISCONNECTED;
cl->mei_flow_ctrl_creds = 0;
cl->timer_count = 0;
@@ -936,8 +935,8 @@ void mei_cl_all_disconnect(struct mei_device *dev)
*/
void mei_cl_all_wakeup(struct mei_device *dev)
{
- struct mei_cl *cl, *next;
- list_for_each_entry_safe(cl, next, &dev->file_list, link) {
+ struct mei_cl *cl;
+ list_for_each_entry(cl, &dev->file_list, link) {
if (waitqueue_active(&cl->rx_wait)) {
cl_dbg(dev, cl, "Waking up reading client!\n");
wake_up_interruptible(&cl->rx_wait);
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index 023173d..9555791 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -380,8 +380,7 @@ static int mei_hbm_add_single_flow_creds(struct mei_device *dev,
static void mei_hbm_cl_flow_control_res(struct mei_device *dev,
struct hbm_flow_control *flow_control)
{
- struct mei_cl *cl = NULL;
- struct mei_cl *next = NULL;
+ struct mei_cl *cl;
if (!flow_control->host_addr) {
/* single receive buffer */
@@ -390,7 +389,7 @@ static void mei_hbm_cl_flow_control_res(struct mei_device *dev,
}
/* normal connection */
- list_for_each_entry_safe(cl, next, &dev->file_list, link) {
+ list_for_each_entry(cl, &dev->file_list, link) {
if (mei_hbm_cl_addr_equal(cl, flow_control)) {
cl->mei_flow_ctrl_creds++;
dev_dbg(&dev->pdev->dev, "flow ctrl msg for host %d ME %d.\n",
@@ -557,10 +556,10 @@ static void mei_hbm_cl_connect_res(struct mei_device *dev,
static int mei_hbm_fw_disconnect_req(struct mei_device *dev,
struct hbm_client_connect_request *disconnect_req)
{
- struct mei_cl *cl, *next;
+ struct mei_cl *cl;
struct mei_cl_cb *cb;
- list_for_each_entry_safe(cl, next, &dev->file_list, link) {
+ list_for_each_entry(cl, &dev->file_list, link) {
if (mei_hbm_cl_addr_equal(cl, disconnect_req)) {
dev_dbg(&dev->pdev->dev, "disconnect request host client %d ME client %d.\n",
disconnect_req->host_addr,
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index 5df04fc..31cb345 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -556,8 +556,7 @@ EXPORT_SYMBOL_GPL(mei_irq_write_handler);
void mei_timer(struct work_struct *work)
{
unsigned long timeout;
- struct mei_cl *cl_pos = NULL;
- struct mei_cl *cl_next = NULL;
+ struct mei_cl *cl;
struct mei_cl_cb *cb_pos = NULL;
struct mei_cl_cb *cb_next = NULL;
@@ -585,9 +584,9 @@ void mei_timer(struct work_struct *work)
goto out;
/*** connect/disconnect timeouts ***/
- list_for_each_entry_safe(cl_pos, cl_next, &dev->file_list, link) {
- if (cl_pos->timer_count) {
- if (--cl_pos->timer_count == 0) {
+ list_for_each_entry(cl, &dev->file_list, link) {
+ if (cl->timer_count) {
+ if (--cl->timer_count == 0) {
dev_err(&dev->pdev->dev, "timer: connect/disconnect timeout.\n");
mei_reset(dev);
goto out;
@@ -637,10 +636,10 @@ void mei_timer(struct work_struct *work)
list_for_each_entry_safe(cb_pos, cb_next,
&dev->amthif_rd_complete_list.list, list) {
- cl_pos = cb_pos->file_object->private_data;
+ cl = cb_pos->file_object->private_data;
/* Finding the AMTHI entry. */
- if (cl_pos == &dev->iamthif_cl)
+ if (cl == &dev->iamthif_cl)
list_del(&cb_pos->list);
}
mei_io_cb_free(dev->iamthif_current_cb);
--
1.8.5.3
--
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