| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Mon, 15 Oct 2012 12:06:48 +0200
From: Tomas Winkler <tomas.winkler@...el.com>
To: gregkh@...uxfoundation.org
Cc: arnd@...db.de, alan@...ux.intel.com, linux-kernel@...r.kernel.org,
Tomas Winkler <tomas.winkler@...el.com>
Subject: [char-misc-next 4/6 V3] mei: kill usless struct mei_io_list
kill useless mei_io_list list wrapper and use directly
struct mei_cl_cb mei_cb which was its only member for managing io queues
Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
---
V2: drivers/misc/mei/init.c: line 689 was exidently removed
V3: grrr, I cannot just put old line back.
drivers/misc/mei/init.c | 31 +++-------
drivers/misc/mei/interrupt.c | 134 ++++++++++++++++++------------------------
drivers/misc/mei/iorw.c | 34 +++++------
drivers/misc/mei/main.c | 43 ++++++--------
drivers/misc/mei/mei_dev.h | 32 ++++++-----
5 files changed, 118 insertions(+), 156 deletions(-)
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index 98f1430..2275cf0 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -48,34 +48,22 @@ const uuid_le mei_amthi_guid = UUID_LE(0x12f80028, 0xb4b7, 0x4b2d, 0xac,
0x81, 0x4c);
/**
- * mei_io_list_init - Sets up a queue list.
- *
- * @list: An instance io list structure
- * @dev: the device structure
- */
-void mei_io_list_init(struct mei_io_list *list)
-{
- /* initialize our queue list */
- INIT_LIST_HEAD(&list->mei_cb.cb_list);
-}
-
-/**
* mei_io_list_flush - removes list entry belonging to cl.
*
* @list: An instance of our list structure
* @cl: private data of the file object
*/
-void mei_io_list_flush(struct mei_io_list *list, struct mei_cl *cl)
+void mei_io_list_flush(struct mei_cl_cb *list, struct mei_cl *cl)
{
struct mei_cl_cb *pos;
struct mei_cl_cb *next;
- list_for_each_entry_safe(pos, next, &list->mei_cb.cb_list, cb_list) {
+ list_for_each_entry_safe(pos, next, &list->list, list) {
if (pos->file_private) {
struct mei_cl *cl_tmp;
cl_tmp = (struct mei_cl *)pos->file_private;
if (mei_cl_cmp_id(cl, cl_tmp))
- list_del(&pos->cb_list);
+ list_del(&pos->list);
}
}
}
@@ -351,9 +339,8 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
}
}
/* remove all waiting requests */
- list_for_each_entry_safe(cb_pos, cb_next,
- &dev->write_list.mei_cb.cb_list, cb_list) {
- list_del(&cb_pos->cb_list);
+ list_for_each_entry_safe(cb_pos, cb_next, &dev->write_list.list, list) {
+ list_del(&cb_pos->list);
mei_free_cb_private(cb_pos);
}
}
@@ -685,7 +672,7 @@ int mei_disconnect_host_client(struct mei_device *dev, struct mei_cl *cl)
if (!cb)
return -ENOMEM;
- INIT_LIST_HEAD(&cb->cb_list);
+ mei_io_list_init(cb);
cb->file_private = cl;
cb->major_file_operations = MEI_CLOSE;
if (dev->mei_host_buffer_is_empty) {
@@ -696,11 +683,11 @@ int mei_disconnect_host_client(struct mei_device *dev, struct mei_cl *cl)
goto free;
}
mdelay(10); /* Wait for hardware disconnection ready */
- list_add_tail(&cb->cb_list, &dev->ctrl_rd_list.mei_cb.cb_list);
+ list_add_tail(&cb->list, &dev->ctrl_rd_list.list);
} else {
dev_dbg(&dev->pdev->dev, "add disconnect cb to control write list\n");
- list_add_tail(&cb->cb_list,
- &dev->ctrl_wr_list.mei_cb.cb_list);
+ list_add_tail(&cb->list, &dev->ctrl_wr_list.list);
+
}
mutex_unlock(&dev->device_lock);
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index 320ebd2..54d6f1a 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -87,9 +87,8 @@ static void _mei_cmpl_iamthif(struct mei_device *dev, struct mei_cl_cb *cb_pos)
memcpy(cb_pos->response_buffer.data,
dev->iamthif_msg_buf,
dev->iamthif_msg_buf_index);
- list_add_tail(&cb_pos->cb_list,
- &dev->amthi_read_complete_list.mei_cb.cb_list);
- dev_dbg(&dev->pdev->dev, "amthi read completed.\n");
+ list_add_tail(&cb_pos->list, &dev->amthi_read_complete_list.list);
+ dev_dbg(&dev->pdev->dev, "amthi read completed\n");
dev->iamthif_timer = jiffies;
dev_dbg(&dev->pdev->dev, "dev->iamthif_timer = %ld\n",
dev->iamthif_timer);
@@ -112,7 +111,7 @@ static void _mei_cmpl_iamthif(struct mei_device *dev, struct mei_cl_cb *cb_pos)
*
* returns 0 on success, <0 on failure.
*/
-static int mei_irq_thread_read_amthi_message(struct mei_io_list *complete_list,
+static int mei_irq_thread_read_amthi_message(struct mei_cl_cb *complete_list,
struct mei_device *dev,
struct mei_msg_hdr *mei_hdr)
{
@@ -155,8 +154,7 @@ static int mei_irq_thread_read_amthi_message(struct mei_io_list *complete_list,
/* found the iamthif cb */
dev_dbg(&dev->pdev->dev, "complete the amthi read cb.\n ");
dev_dbg(&dev->pdev->dev, "add the amthi read cb to complete.\n ");
- list_add_tail(&cb->cb_list,
- &complete_list->mei_cb.cb_list);
+ list_add_tail(&cb->list, &complete_list->list);
}
return 0;
}
@@ -188,7 +186,7 @@ static int _mei_irq_thread_state_ok(struct mei_cl *cl,
*
* returns 0 on success, <0 on failure.
*/
-static int mei_irq_thread_read_client_message(struct mei_io_list *complete_list,
+static int mei_irq_thread_read_client_message(struct mei_cl_cb *complete_list,
struct mei_device *dev,
struct mei_msg_hdr *mei_hdr)
{
@@ -197,11 +195,10 @@ static int mei_irq_thread_read_client_message(struct mei_io_list *complete_list,
unsigned char *buffer = NULL;
dev_dbg(&dev->pdev->dev, "start client msg\n");
- if (list_empty(&dev->read_list.mei_cb.cb_list))
+ if (list_empty(&dev->read_list.list))
goto quit;
- list_for_each_entry_safe(cb_pos, cb_next,
- &dev->read_list.mei_cb.cb_list, cb_list) {
+ list_for_each_entry_safe(cb_pos, cb_next, &dev->read_list.list, list) {
cl = (struct mei_cl *)cb_pos->file_private;
if (cl && _mei_irq_thread_state_ok(cl, mei_hdr)) {
cl->reading_state = MEI_READING;
@@ -210,7 +207,7 @@ static int mei_irq_thread_read_client_message(struct mei_io_list *complete_list,
if (cb_pos->response_buffer.size <
mei_hdr->length + cb_pos->buf_idx) {
dev_dbg(&dev->pdev->dev, "message overflow.\n");
- list_del(&cb_pos->cb_list);
+ list_del(&cb_pos->list);
return -ENOMEM;
}
if (buffer)
@@ -219,15 +216,15 @@ static int mei_irq_thread_read_client_message(struct mei_io_list *complete_list,
cb_pos->buf_idx += mei_hdr->length;
if (mei_hdr->msg_complete) {
cl->status = 0;
- list_del(&cb_pos->cb_list);
+ list_del(&cb_pos->list);
dev_dbg(&dev->pdev->dev,
"completed read H cl = %d, ME cl = %d, length = %lu\n",
cl->host_client_id,
cl->me_client_id,
cb_pos->buf_idx);
- list_add_tail(&cb_pos->cb_list,
- &complete_list->mei_cb.cb_list);
+ list_add_tail(&cb_pos->list,
+ &complete_list->list);
}
break;
@@ -291,7 +288,7 @@ static int _mei_irq_thread_iamthif_read(struct mei_device *dev, s32 *slots)
static int _mei_irq_thread_close(struct mei_device *dev, s32 *slots,
struct mei_cl_cb *cb_pos,
struct mei_cl *cl,
- struct mei_io_list *cmpl_list)
+ struct mei_cl_cb *cmpl_list)
{
if ((*slots * sizeof(u32)) < (sizeof(struct mei_msg_hdr) +
sizeof(struct hbm_client_disconnect_request)))
@@ -302,15 +299,13 @@ static int _mei_irq_thread_close(struct mei_device *dev, s32 *slots,
if (mei_disconnect(dev, cl)) {
cl->status = 0;
cb_pos->buf_idx = 0;
- list_move_tail(&cb_pos->cb_list,
- &cmpl_list->mei_cb.cb_list);
+ list_move_tail(&cb_pos->list, &cmpl_list->list);
return -EMSGSIZE;
} else {
cl->state = MEI_FILE_DISCONNECTING;
cl->status = 0;
cb_pos->buf_idx = 0;
- list_move_tail(&cb_pos->cb_list,
- &dev->ctrl_rd_list.mei_cb.cb_list);
+ list_move_tail(&cb_pos->list, &dev->ctrl_rd_list.list);
cl->timer_count = MEI_CONNECT_TIMEOUT;
}
@@ -357,7 +352,7 @@ static void mei_client_connect_response(struct mei_device *dev,
{
struct mei_cl *cl;
- struct mei_cl_cb *cb_pos = NULL, *cb_next = NULL;
+ struct mei_cl_cb *pos = NULL, *next = NULL;
dev_dbg(&dev->pdev->dev,
"connect_response:\n"
@@ -383,17 +378,16 @@ static void mei_client_connect_response(struct mei_device *dev,
dev->iamthif_state = MEI_IAMTHIF_IDLE;
return;
}
- list_for_each_entry_safe(cb_pos, cb_next,
- &dev->ctrl_rd_list.mei_cb.cb_list, cb_list) {
+ list_for_each_entry_safe(pos, next, &dev->ctrl_rd_list.list, list) {
- cl = (struct mei_cl *)cb_pos->file_private;
+ cl = (struct mei_cl *)pos->file_private;
if (!cl) {
- list_del(&cb_pos->cb_list);
+ list_del(&pos->list);
return;
}
- if (MEI_IOCTL == cb_pos->major_file_operations) {
+ if (MEI_IOCTL == pos->major_file_operations) {
if (is_treat_specially_client(cl, rs)) {
- list_del(&cb_pos->cb_list);
+ list_del(&pos->list);
cl->status = 0;
cl->timer_count = 0;
break;
@@ -412,7 +406,7 @@ static void mei_client_disconnect_response(struct mei_device *dev,
struct hbm_client_connect_response *rs)
{
struct mei_cl *cl;
- struct mei_cl_cb *cb_pos = NULL, *cb_next = NULL;
+ struct mei_cl_cb *pos = NULL, *next = NULL;
dev_dbg(&dev->pdev->dev,
"disconnect_response:\n"
@@ -423,12 +417,11 @@ static void mei_client_disconnect_response(struct mei_device *dev,
rs->host_addr,
rs->status);
- list_for_each_entry_safe(cb_pos, cb_next,
- &dev->ctrl_rd_list.mei_cb.cb_list, cb_list) {
- cl = (struct mei_cl *)cb_pos->file_private;
+ list_for_each_entry_safe(pos, next, &dev->ctrl_rd_list.list, list) {
+ cl = (struct mei_cl *)pos->file_private;
if (!cl) {
- list_del(&cb_pos->cb_list);
+ list_del(&pos->list);
return;
}
@@ -436,7 +429,7 @@ static void mei_client_disconnect_response(struct mei_device *dev,
if (cl->host_client_id == rs->host_addr &&
cl->me_client_id == rs->me_addr) {
- list_del(&cb_pos->cb_list);
+ list_del(&pos->list);
if (!rs->status)
cl->state = MEI_FILE_DISCONNECTED;
@@ -822,12 +815,12 @@ static void mei_irq_thread_read_bus_message(struct mei_device *dev,
static int _mei_irq_thread_read(struct mei_device *dev, s32 *slots,
struct mei_cl_cb *cb_pos,
struct mei_cl *cl,
- struct mei_io_list *cmpl_list)
+ struct mei_cl_cb *cmpl_list)
{
if ((*slots * sizeof(u32)) < (sizeof(struct mei_msg_hdr) +
sizeof(struct hbm_flow_control))) {
/* return the cancel routine */
- list_del(&cb_pos->cb_list);
+ list_del(&cb_pos->list);
return -EBADMSG;
}
@@ -836,10 +829,10 @@ static int _mei_irq_thread_read(struct mei_device *dev, s32 *slots,
if (mei_send_flow_control(dev, cl)) {
cl->status = -ENODEV;
cb_pos->buf_idx = 0;
- list_move_tail(&cb_pos->cb_list, &cmpl_list->mei_cb.cb_list);
+ list_move_tail(&cb_pos->list, &cmpl_list->list);
return -ENODEV;
}
- list_move_tail(&cb_pos->cb_list, &dev->read_list.mei_cb.cb_list);
+ list_move_tail(&cb_pos->list, &dev->read_list.list);
return 0;
}
@@ -859,12 +852,12 @@ static int _mei_irq_thread_read(struct mei_device *dev, s32 *slots,
static int _mei_irq_thread_ioctl(struct mei_device *dev, s32 *slots,
struct mei_cl_cb *cb_pos,
struct mei_cl *cl,
- struct mei_io_list *cmpl_list)
+ struct mei_cl_cb *cmpl_list)
{
if ((*slots * sizeof(u32)) < (sizeof(struct mei_msg_hdr) +
sizeof(struct hbm_client_connect_request))) {
/* return the cancel routine */
- list_del(&cb_pos->cb_list);
+ list_del(&cb_pos->list);
return -EBADMSG;
}
@@ -873,11 +866,10 @@ static int _mei_irq_thread_ioctl(struct mei_device *dev, s32 *slots,
if (mei_connect(dev, cl)) {
cl->status = -ENODEV;
cb_pos->buf_idx = 0;
- list_del(&cb_pos->cb_list);
+ list_del(&cb_pos->list);
return -ENODEV;
} else {
- list_move_tail(&cb_pos->cb_list,
- &dev->ctrl_rd_list.mei_cb.cb_list);
+ list_move_tail(&cb_pos->list, &dev->ctrl_rd_list.list);
cl->timer_count = MEI_CONNECT_TIMEOUT;
}
return 0;
@@ -897,7 +889,7 @@ static int _mei_irq_thread_ioctl(struct mei_device *dev, s32 *slots,
static int _mei_irq_thread_cmpl(struct mei_device *dev, s32 *slots,
struct mei_cl_cb *cb_pos,
struct mei_cl *cl,
- struct mei_io_list *cmpl_list)
+ struct mei_cl_cb *cmpl_list)
{
struct mei_msg_hdr *mei_hdr;
@@ -924,16 +916,14 @@ static int _mei_irq_thread_cmpl(struct mei_device *dev, s32 *slots,
cb_pos->buf_idx),
mei_hdr->length)) {
cl->status = -ENODEV;
- list_move_tail(&cb_pos->cb_list,
- &cmpl_list->mei_cb.cb_list);
+ list_move_tail(&cb_pos->list, &cmpl_list->list);
return -ENODEV;
} else {
if (mei_flow_ctrl_reduce(dev, cl))
return -ENODEV;
cl->status = 0;
cb_pos->buf_idx += mei_hdr->length;
- list_move_tail(&cb_pos->cb_list,
- &dev->write_waiting_list.mei_cb.cb_list);
+ list_move_tail(&cb_pos->list, &dev->write_waiting_list.list);
}
} else if (*slots == dev->hbuf_depth) {
/* buffer is still empty */
@@ -951,8 +941,7 @@ static int _mei_irq_thread_cmpl(struct mei_device *dev, s32 *slots,
cb_pos->buf_idx),
mei_hdr->length)) {
cl->status = -ENODEV;
- list_move_tail(&cb_pos->cb_list,
- &cmpl_list->mei_cb.cb_list);
+ list_move_tail(&cb_pos->list, &cmpl_list->list);
return -ENODEV;
} else {
cb_pos->buf_idx += mei_hdr->length;
@@ -988,7 +977,7 @@ static int _mei_irq_thread_cmpl(struct mei_device *dev, s32 *slots,
static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots,
struct mei_cl_cb *cb_pos,
struct mei_cl *cl,
- struct mei_io_list *cmpl_list)
+ struct mei_cl_cb *cmpl_list)
{
struct mei_msg_hdr *mei_hdr;
@@ -1011,7 +1000,7 @@ static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots,
mei_hdr->length)) {
dev->iamthif_state = MEI_IAMTHIF_IDLE;
cl->status = -ENODEV;
- list_del(&cb_pos->cb_list);
+ list_del(&cb_pos->list);
return -ENODEV;
} else {
if (mei_flow_ctrl_reduce(dev, cl))
@@ -1023,8 +1012,7 @@ static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots,
dev->iamthif_flow_control_pending = true;
/* save iamthif cb sent to amthi client */
dev->iamthif_current_cb = cb_pos;
- list_move_tail(&cb_pos->cb_list,
- &dev->write_waiting_list.mei_cb.cb_list);
+ list_move_tail(&cb_pos->list, &dev->write_waiting_list.list);
}
} else if (*slots == dev->hbuf_depth) {
@@ -1044,7 +1032,7 @@ static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots,
dev->iamthif_msg_buf_index),
mei_hdr->length)) {
cl->status = -ENODEV;
- list_del(&cb_pos->cb_list);
+ list_del(&cb_pos->list);
} else {
dev->iamthif_msg_buf_index += mei_hdr->length;
}
@@ -1066,7 +1054,7 @@ static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots,
*
* returns 0 on success, <0 on failure.
*/
-static int mei_irq_thread_read_handler(struct mei_io_list *cmpl_list,
+static int mei_irq_thread_read_handler(struct mei_cl_cb *cmpl_list,
struct mei_device *dev,
s32 *slots)
{
@@ -1169,14 +1157,13 @@ end:
*
* returns 0 on success, <0 on failure.
*/
-static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list,
- struct mei_device *dev,
- s32 *slots)
+static int mei_irq_thread_write_handler(struct mei_cl_cb *cmpl_list,
+ struct mei_device *dev, s32 *slots)
{
struct mei_cl *cl;
struct mei_cl_cb *pos = NULL, *next = NULL;
- struct mei_io_list *list;
+ struct mei_cl_cb *list;
int ret;
if (!mei_hbuf_is_empty(dev)) {
@@ -1191,20 +1178,19 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list,
dev_dbg(&dev->pdev->dev, "complete all waiting for write cb.\n");
list = &dev->write_waiting_list;
- list_for_each_entry_safe(pos, next, &list->mei_cb.cb_list, cb_list) {
+ list_for_each_entry_safe(pos, next, &list->list, list) {
cl = (struct mei_cl *)pos->file_private;
if (cl == NULL)
continue;
cl->status = 0;
- list_del(&pos->cb_list);
+ list_del(&pos->list);
if (MEI_WRITING == cl->writing_state &&
(pos->major_file_operations == MEI_WRITE) &&
(cl != &dev->iamthif_cl)) {
dev_dbg(&dev->pdev->dev, "MEI WRITE COMPLETE\n");
cl->writing_state = MEI_WRITE_COMPLETE;
- list_add_tail(&pos->cb_list,
- &cmpl_list->mei_cb.cb_list);
+ list_add_tail(&pos->list, &cmpl_list->list);
}
if (cl == &dev->iamthif_cl) {
dev_dbg(&dev->pdev->dev, "check iamthif flow control.\n");
@@ -1250,11 +1236,10 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list,
/* complete control write list CB */
dev_dbg(&dev->pdev->dev, "complete control write list cb.\n");
- list_for_each_entry_safe(pos, next,
- &dev->ctrl_wr_list.mei_cb.cb_list, cb_list) {
+ list_for_each_entry_safe(pos, next, &dev->ctrl_wr_list.list, list) {
cl = (struct mei_cl *) pos->file_private;
if (!cl) {
- list_del(&pos->cb_list);
+ list_del(&pos->list);
return -ENODEV;
}
switch (pos->major_file_operations) {
@@ -1289,8 +1274,7 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list,
}
/* complete write list CB */
dev_dbg(&dev->pdev->dev, "complete write list cb.\n");
- list_for_each_entry_safe(pos, next,
- &dev->write_list.mei_cb.cb_list, cb_list) {
+ list_for_each_entry_safe(pos, next, &dev->write_list.list, list) {
cl = (struct mei_cl *)pos->file_private;
if (cl == NULL)
continue;
@@ -1410,16 +1394,15 @@ void mei_timer(struct work_struct *work)
dev_dbg(&dev->pdev->dev, "freeing AMTHI for other requests\n");
- amthi_complete_list = &dev->amthi_read_complete_list.
- mei_cb.cb_list;
+ amthi_complete_list = &dev->amthi_read_complete_list.list;
- list_for_each_entry_safe(cb_pos, cb_next, amthi_complete_list, cb_list) {
+ list_for_each_entry_safe(cb_pos, cb_next, amthi_complete_list, list) {
cl_pos = cb_pos->file_object->private_data;
/* Finding the AMTHI entry. */
if (cl_pos == &dev->iamthif_cl)
- list_del(&cb_pos->cb_list);
+ list_del(&cb_pos->list);
}
if (dev->iamthif_current_cb)
mei_free_cb_private(dev->iamthif_current_cb);
@@ -1450,7 +1433,7 @@ out:
irqreturn_t mei_interrupt_thread_handler(int irq, void *dev_id)
{
struct mei_device *dev = (struct mei_device *) dev_id;
- struct mei_io_list complete_list;
+ struct mei_cl_cb complete_list;
struct mei_cl_cb *cb_pos = NULL, *cb_next = NULL;
struct mei_cl *cl;
s32 slots;
@@ -1530,14 +1513,13 @@ end:
wake_up_interruptible(&dev->wait_recvd_msg);
bus_message_received = false;
}
- if (list_empty(&complete_list.mei_cb.cb_list))
+ if (list_empty(&complete_list.list))
return IRQ_HANDLED;
- list_for_each_entry_safe(cb_pos, cb_next,
- &complete_list.mei_cb.cb_list, cb_list) {
+ list_for_each_entry_safe(cb_pos, cb_next, &complete_list.list, list) {
cl = (struct mei_cl *)cb_pos->file_private;
- list_del(&cb_pos->cb_list);
+ list_del(&cb_pos->list);
if (cl) {
if (cl != &dev->iamthif_cl) {
dev_dbg(&dev->pdev->dev, "completing call back.\n");
diff --git a/drivers/misc/mei/iorw.c b/drivers/misc/mei/iorw.c
index 20652e1..4ff9eaf 100644
--- a/drivers/misc/mei/iorw.c
+++ b/drivers/misc/mei/iorw.c
@@ -104,7 +104,7 @@ int mei_ioctl_connect_client(struct file *file,
rets = -ENOMEM;
goto end;
}
- INIT_LIST_HEAD(&cb->cb_list);
+ mei_io_list_init(cb);
cb->major_file_operations = MEI_IOCTL;
@@ -193,9 +193,7 @@ int mei_ioctl_connect_client(struct file *file,
dev_dbg(&dev->pdev->dev, "Sending connect message - succeeded\n");
cl->timer_count = MEI_CONNECT_TIMEOUT;
cb->file_private = cl;
- list_add_tail(&cb->cb_list,
- &dev->ctrl_rd_list.mei_cb.
- cb_list);
+ list_add_tail(&cb->list, &dev->ctrl_rd_list.list);
}
@@ -203,8 +201,7 @@ int mei_ioctl_connect_client(struct file *file,
dev_dbg(&dev->pdev->dev, "Queuing the connect request due to device busy\n");
cb->file_private = cl;
dev_dbg(&dev->pdev->dev, "add connect cb to control write list.\n");
- list_add_tail(&cb->cb_list,
- &dev->ctrl_wr_list.mei_cb.cb_list);
+ list_add_tail(&cb->list, &dev->ctrl_wr_list.list);
}
mutex_unlock(&dev->device_lock);
err = wait_event_timeout(dev->wait_recvd_msg,
@@ -255,7 +252,7 @@ struct mei_cl_cb *find_amthi_read_list_entry(
struct mei_cl_cb *next = NULL;
list_for_each_entry_safe(pos, next,
- &dev->amthi_read_complete_list.mei_cb.cb_list, cb_list) {
+ &dev->amthi_read_complete_list.list, list) {
cl_temp = (struct mei_cl *)pos->file_private;
if (cl_temp && cl_temp == &dev->iamthif_cl &&
pos->file_object == file)
@@ -340,17 +337,17 @@ int amthi_read(struct mei_device *dev, struct file *file,
if (time_after(jiffies, timeout)) {
dev_dbg(&dev->pdev->dev, "amthi Time out\n");
/* 15 sec for the message has expired */
- list_del(&cb->cb_list);
+ list_del(&cb->list);
rets = -ETIMEDOUT;
goto free;
}
}
/* if the whole message will fit remove it from the list */
if (cb->buf_idx >= *offset && length >= (cb->buf_idx - *offset))
- list_del(&cb->cb_list);
+ list_del(&cb->list);
else if (cb->buf_idx > 0 && cb->buf_idx <= *offset) {
/* end of the message has been reached */
- list_del(&cb->cb_list);
+ list_del(&cb->list);
rets = 0;
goto free;
}
@@ -441,9 +438,9 @@ int mei_start_read(struct mei_device *dev, struct mei_cl *cl)
rets = -ENODEV;
goto unlock;
}
- list_add_tail(&cb->cb_list, &dev->read_list.mei_cb.cb_list);
+ list_add_tail(&cb->list, &dev->read_list.list);
} else {
- list_add_tail(&cb->cb_list, &dev->ctrl_wr_list.mei_cb.cb_list);
+ list_add_tail(&cb->list, &dev->ctrl_wr_list.list);
}
return rets;
unlock:
@@ -510,13 +507,11 @@ int amthi_write(struct mei_device *dev, struct mei_cl_cb *cb)
dev_dbg(&dev->pdev->dev, "add amthi cb to write waiting list\n");
dev->iamthif_current_cb = cb;
dev->iamthif_file_object = cb->file_object;
- list_add_tail(&cb->cb_list,
- &dev->write_waiting_list.mei_cb.cb_list);
+ list_add_tail(&cb->list, &dev->write_waiting_list.list);
} else {
dev_dbg(&dev->pdev->dev, "message does not complete, "
"so add amthi cb to write list.\n");
- list_add_tail(&cb->cb_list,
- &dev->write_list.mei_cb.cb_list);
+ list_add_tail(&cb->list, &dev->write_list.list);
}
} else {
if (!(dev->mei_host_buffer_is_empty))
@@ -524,7 +519,7 @@ int amthi_write(struct mei_device *dev, struct mei_cl_cb *cb)
dev_dbg(&dev->pdev->dev, "No flow control credentials, "
"so add iamthif cb to write list.\n");
- list_add_tail(&cb->cb_list, &dev->write_list.mei_cb.cb_list);
+ list_add_tail(&cb->list, &dev->write_list.list);
}
return 0;
}
@@ -556,9 +551,8 @@ void mei_run_next_iamthif_cmd(struct mei_device *dev)
dev_dbg(&dev->pdev->dev, "complete amthi cmd_list cb.\n");
- list_for_each_entry_safe(pos, next,
- &dev->amthi_cmd_list.mei_cb.cb_list, cb_list) {
- list_del(&pos->cb_list);
+ list_for_each_entry_safe(pos, next, &dev->amthi_cmd_list.list, list) {
+ list_del(&pos->list);
cl_tmp = (struct mei_cl *)pos->file_private;
if (cl_tmp && cl_tmp == &dev->iamthif_cl) {
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 080465b..1f02553 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -111,12 +111,12 @@ static bool mei_clear_list(struct mei_device *dev,
bool removed = false;
/* list all list member */
- list_for_each_entry_safe(cb_pos, cb_next, mei_cb_list, cb_list) {
+ list_for_each_entry_safe(cb_pos, cb_next, mei_cb_list, list) {
file_temp = (struct file *)cb_pos->file_object;
/* check if list member associated with a file */
if (file_temp == file) {
/* remove member from the list */
- list_del(&cb_pos->cb_list);
+ list_del(&cb_pos->list);
/* check if cb equal to current iamthif cb */
if (dev->iamthif_current_cb == cb_pos) {
dev->iamthif_current_cb = NULL;
@@ -148,20 +148,20 @@ static bool mei_clear_lists(struct mei_device *dev, struct file *file)
bool removed = false;
/* remove callbacks associated with a file */
- mei_clear_list(dev, file, &dev->amthi_cmd_list.mei_cb.cb_list);
+ mei_clear_list(dev, file, &dev->amthi_cmd_list.list);
if (mei_clear_list(dev, file,
- &dev->amthi_read_complete_list.mei_cb.cb_list))
+ &dev->amthi_read_complete_list.list))
removed = true;
- mei_clear_list(dev, file, &dev->ctrl_rd_list.mei_cb.cb_list);
+ mei_clear_list(dev, file, &dev->ctrl_rd_list.list);
- if (mei_clear_list(dev, file, &dev->ctrl_wr_list.mei_cb.cb_list))
+ if (mei_clear_list(dev, file, &dev->ctrl_wr_list.list))
removed = true;
- if (mei_clear_list(dev, file, &dev->write_waiting_list.mei_cb.cb_list))
+ if (mei_clear_list(dev, file, &dev->write_waiting_list.list))
removed = true;
- if (mei_clear_list(dev, file, &dev->write_list.mei_cb.cb_list))
+ if (mei_clear_list(dev, file, &dev->write_list.list))
removed = true;
/* check if iamthif_current_cb not NULL */
@@ -192,8 +192,7 @@ static struct mei_cl_cb *find_read_list_entry(
struct mei_cl_cb *next = NULL;
dev_dbg(&dev->pdev->dev, "remove read_list CB\n");
- list_for_each_entry_safe(pos, next,
- &dev->read_list.mei_cb.cb_list, cb_list) {
+ list_for_each_entry_safe(pos, next, &dev->read_list.list, list) {
struct mei_cl *cl_temp;
cl_temp = (struct mei_cl *)pos->file_private;
@@ -324,7 +323,7 @@ static int mei_release(struct inode *inode, struct file *file)
cb = find_read_list_entry(dev, cl);
/* Remove entry from read list */
if (cb)
- list_del(&cb->cb_list);
+ list_del(&cb->list);
cb = cl->read_cb;
cl->read_cb = NULL;
@@ -504,7 +503,7 @@ free:
cb_pos = find_read_list_entry(dev, cl);
/* Remove entry from read list */
if (cb_pos)
- list_del(&cb_pos->cb_list);
+ list_del(&cb_pos->list);
mei_free_cb_private(cb);
cl->reading_state = MEI_IDLE;
cl->read_cb = NULL;
@@ -531,7 +530,7 @@ static struct mei_cl_cb *mei_io_cb_init(struct mei_cl *cl, struct file *fp)
if (!cb)
return NULL;
- INIT_LIST_HEAD(&cb->cb_list);
+ mei_io_list_init(cb);
cb->file_object = fp;
cb->file_private = cl;
@@ -648,7 +647,7 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
if (time_after(jiffies, timeout) ||
cl->reading_state == MEI_READ_COMPLETE) {
*offset = 0;
- list_del(&write_cb->cb_list);
+ list_del(&write_cb->list);
mei_free_cb_private(write_cb);
write_cb = NULL;
}
@@ -660,7 +659,7 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
*offset = 0;
write_cb = find_read_list_entry(dev, cl);
if (write_cb) {
- list_del(&write_cb->cb_list);
+ list_del(&write_cb->list);
mei_free_cb_private(write_cb);
write_cb = NULL;
cl->reading_state = MEI_IDLE;
@@ -704,13 +703,12 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
write_cb->major_file_operations = MEI_IOCTL;
- if (!list_empty(&dev->amthi_cmd_list.mei_cb.cb_list) ||
+ if (!list_empty(&dev->amthi_cmd_list.list) ||
dev->iamthif_state != MEI_IAMTHIF_IDLE) {
dev_dbg(&dev->pdev->dev, "amthi_state = %d\n",
(int) dev->iamthif_state);
dev_dbg(&dev->pdev->dev, "add amthi cb to amthi cmd waiting list\n");
- list_add_tail(&write_cb->cb_list,
- &dev->amthi_cmd_list.mei_cb.cb_list);
+ list_add_tail(&write_cb->list, &dev->amthi_cmd_list.list);
} else {
dev_dbg(&dev->pdev->dev, "call amthi write\n");
rets = amthi_write(dev, write_cb);
@@ -761,19 +759,16 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
rets = -ENODEV;
goto unlock_dev;
}
- list_add_tail(&write_cb->cb_list,
- &dev->write_waiting_list.mei_cb.cb_list);
+ list_add_tail(&write_cb->list, &dev->write_waiting_list.list);
} else {
- list_add_tail(&write_cb->cb_list,
- &dev->write_list.mei_cb.cb_list);
+ list_add_tail(&write_cb->list, &dev->write_list.list);
}
} else {
write_cb->buf_idx = 0;
cl->writing_state = MEI_WRITING;
- list_add_tail(&write_cb->cb_list,
- &dev->write_list.mei_cb.cb_list);
+ list_add_tail(&write_cb->list, &dev->write_list.list);
}
mutex_unlock(&dev->device_lock);
return length;
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index c58b6fa..de5babc 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -144,7 +144,7 @@ struct mei_message_data {
struct mei_cl_cb {
- struct list_head cb_list;
+ struct list_head list;
enum mei_cb_major_types major_file_operations;
void *file_private;
struct mei_message_data request_buffer;
@@ -175,10 +175,6 @@ struct mei_cl {
struct mei_cl_cb *read_cb;
};
-struct mei_io_list {
- struct mei_cl_cb mei_cb;
-};
-
/**
* struct mei_deive - MEI private device struct
* @hbuf_depth - depth of host(write) buffer
@@ -189,15 +185,15 @@ struct mei_device {
* lists of queues
*/
/* array of pointers to aio lists */
- struct mei_io_list read_list; /* driver read queue */
- struct mei_io_list write_list; /* driver write queue */
- struct mei_io_list write_waiting_list; /* write waiting queue */
- struct mei_io_list ctrl_wr_list; /* managed write IOCTL list */
- struct mei_io_list ctrl_rd_list; /* managed read IOCTL list */
- struct mei_io_list amthi_cmd_list; /* amthi list for cmd waiting */
+ struct mei_cl_cb read_list; /* driver read queue */
+ struct mei_cl_cb write_list; /* driver write queue */
+ struct mei_cl_cb write_waiting_list; /* write waiting queue */
+ struct mei_cl_cb ctrl_wr_list; /* managed write IOCTL list */
+ struct mei_cl_cb ctrl_rd_list; /* managed read IOCTL list */
+ struct mei_cl_cb amthi_cmd_list; /* amthi list for cmd waiting */
/* driver managed amthi list for reading completed amthi cmd data */
- struct mei_io_list amthi_read_complete_list;
+ struct mei_cl_cb amthi_read_complete_list;
/*
* list of files
*/
@@ -297,8 +293,16 @@ int mei_me_cl_by_id(struct mei_device *dev, u8 client_id);
/*
* MEI IO List Functions
*/
-void mei_io_list_init(struct mei_io_list *list);
-void mei_io_list_flush(struct mei_io_list *list, struct mei_cl *cl);
+/**
+ * mei_io_list_init - Sets up a queue list.
+ *
+ * @list: An instance cl callback structure
+ */
+static inline void mei_io_list_init(struct mei_cl_cb *list)
+{
+ INIT_LIST_HEAD(&list->list);
+}
+void mei_io_list_flush(struct mei_cl_cb *list, struct mei_cl *cl);
/*
* MEI ME Client Functions
--
1.7.4.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists