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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@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
12d0066526
commit
31f88f5739
5 changed files with 28 additions and 33 deletions
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@ -133,14 +133,12 @@ int mei_amthif_host_init(struct mei_device *dev)
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struct mei_cl_cb *mei_amthif_find_read_list_entry(struct mei_device *dev,
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struct file *file)
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{
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struct mei_cl_cb *pos = NULL;
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struct mei_cl_cb *next = NULL;
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struct mei_cl_cb *cb;
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list_for_each_entry_safe(pos, next,
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&dev->amthif_rd_complete_list.list, list) {
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if (pos->cl && pos->cl == &dev->iamthif_cl &&
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pos->file_object == file)
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return pos;
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list_for_each_entry(cb, &dev->amthif_rd_complete_list.list, list) {
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if (cb->cl && cb->cl == &dev->iamthif_cl &&
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cb->file_object == file)
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return cb;
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}
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return NULL;
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}
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@ -145,9 +145,9 @@ static struct device_type mei_cl_device_type = {
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static struct mei_cl *mei_bus_find_mei_cl_by_uuid(struct mei_device *dev,
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uuid_le uuid)
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{
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struct mei_cl *cl, *next;
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struct mei_cl *cl;
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list_for_each_entry_safe(cl, next, &dev->device_list, device_link) {
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list_for_each_entry(cl, &dev->device_list, device_link) {
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if (!uuid_le_cmp(uuid, cl->device_uuid))
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return cl;
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}
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@ -251,10 +251,9 @@ struct mei_cl *mei_cl_allocate(struct mei_device *dev)
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struct mei_cl_cb *mei_cl_find_read_cb(struct mei_cl *cl)
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{
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struct mei_device *dev = cl->dev;
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struct mei_cl_cb *cb = NULL;
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struct mei_cl_cb *next = NULL;
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struct mei_cl_cb *cb;
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list_for_each_entry_safe(cb, next, &dev->read_list.list, list)
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list_for_each_entry(cb, &dev->read_list.list, list)
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if (mei_cl_cmp_id(cl, cb->cl))
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return cb;
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return NULL;
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@ -458,17 +457,17 @@ int mei_cl_disconnect(struct mei_cl *cl)
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bool mei_cl_is_other_connecting(struct mei_cl *cl)
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{
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struct mei_device *dev;
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struct mei_cl *pos;
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struct mei_cl *next;
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struct mei_cl *ocl; /* the other client */
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if (WARN_ON(!cl || !cl->dev))
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return false;
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dev = cl->dev;
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list_for_each_entry_safe(pos, next, &dev->file_list, link) {
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if ((pos->state == MEI_FILE_CONNECTING) &&
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(pos != cl) && cl->me_client_id == pos->me_client_id)
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list_for_each_entry(ocl, &dev->file_list, link) {
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if (ocl->state == MEI_FILE_CONNECTING &&
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ocl != cl &&
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cl->me_client_id == ocl->me_client_id)
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return true;
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}
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@ -901,9 +900,9 @@ void mei_cl_complete(struct mei_cl *cl, struct mei_cl_cb *cb)
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void mei_cl_all_disconnect(struct mei_device *dev)
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{
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struct mei_cl *cl, *next;
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struct mei_cl *cl;
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list_for_each_entry_safe(cl, next, &dev->file_list, link) {
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list_for_each_entry(cl, &dev->file_list, link) {
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cl->state = MEI_FILE_DISCONNECTED;
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cl->mei_flow_ctrl_creds = 0;
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cl->timer_count = 0;
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@ -918,8 +917,8 @@ void mei_cl_all_disconnect(struct mei_device *dev)
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*/
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void mei_cl_all_wakeup(struct mei_device *dev)
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{
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struct mei_cl *cl, *next;
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list_for_each_entry_safe(cl, next, &dev->file_list, link) {
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struct mei_cl *cl;
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list_for_each_entry(cl, &dev->file_list, link) {
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if (waitqueue_active(&cl->rx_wait)) {
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cl_dbg(dev, cl, "Waking up reading client!\n");
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wake_up_interruptible(&cl->rx_wait);
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@ -380,8 +380,7 @@ static int mei_hbm_add_single_flow_creds(struct mei_device *dev,
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static void mei_hbm_cl_flow_control_res(struct mei_device *dev,
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struct hbm_flow_control *flow_control)
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{
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struct mei_cl *cl = NULL;
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struct mei_cl *next = NULL;
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struct mei_cl *cl;
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if (!flow_control->host_addr) {
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/* single receive buffer */
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@ -390,7 +389,7 @@ static void mei_hbm_cl_flow_control_res(struct mei_device *dev,
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}
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/* normal connection */
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list_for_each_entry_safe(cl, next, &dev->file_list, link) {
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list_for_each_entry(cl, &dev->file_list, link) {
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if (mei_hbm_cl_addr_equal(cl, flow_control)) {
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cl->mei_flow_ctrl_creds++;
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dev_dbg(&dev->pdev->dev, "flow ctrl msg for host %d ME %d.\n",
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@ -557,10 +556,10 @@ static void mei_hbm_cl_connect_res(struct mei_device *dev,
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static int mei_hbm_fw_disconnect_req(struct mei_device *dev,
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struct hbm_client_connect_request *disconnect_req)
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{
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struct mei_cl *cl, *next;
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struct mei_cl *cl;
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struct mei_cl_cb *cb;
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list_for_each_entry_safe(cl, next, &dev->file_list, link) {
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list_for_each_entry(cl, &dev->file_list, link) {
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if (mei_hbm_cl_addr_equal(cl, disconnect_req)) {
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dev_dbg(&dev->pdev->dev, "disconnect request host client %d ME client %d.\n",
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disconnect_req->host_addr,
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@ -574,8 +574,7 @@ EXPORT_SYMBOL_GPL(mei_irq_write_handler);
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void mei_timer(struct work_struct *work)
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{
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unsigned long timeout;
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struct mei_cl *cl_pos = NULL;
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struct mei_cl *cl_next = NULL;
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struct mei_cl *cl;
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struct mei_cl_cb *cb_pos = NULL;
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struct mei_cl_cb *cb_next = NULL;
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@ -603,9 +602,9 @@ void mei_timer(struct work_struct *work)
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goto out;
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/*** connect/disconnect timeouts ***/
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list_for_each_entry_safe(cl_pos, cl_next, &dev->file_list, link) {
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if (cl_pos->timer_count) {
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if (--cl_pos->timer_count == 0) {
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list_for_each_entry(cl, &dev->file_list, link) {
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if (cl->timer_count) {
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if (--cl->timer_count == 0) {
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dev_err(&dev->pdev->dev, "timer: connect/disconnect timeout.\n");
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mei_reset(dev);
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goto out;
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@ -655,10 +654,10 @@ void mei_timer(struct work_struct *work)
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list_for_each_entry_safe(cb_pos, cb_next,
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&dev->amthif_rd_complete_list.list, list) {
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cl_pos = cb_pos->file_object->private_data;
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cl = cb_pos->file_object->private_data;
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/* Finding the AMTHI entry. */
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if (cl_pos == &dev->iamthif_cl)
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if (cl == &dev->iamthif_cl)
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list_del(&cb_pos->list);
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}
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mei_io_cb_free(dev->iamthif_current_cb);
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