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@@ -38,11 +38,11 @@ struct serio_raw {
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struct serio *serio;
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struct miscdevice dev;
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wait_queue_head_t wait;
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- struct list_head list;
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+ struct list_head client_list;
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struct list_head node;
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};
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-struct serio_raw_list {
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+struct serio_raw_client {
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struct fasync_struct *fasync;
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struct serio_raw *serio_raw;
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struct list_head node;
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@@ -58,9 +58,9 @@ static unsigned int serio_raw_no;
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static int serio_raw_fasync(int fd, struct file *file, int on)
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{
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- struct serio_raw_list *list = file->private_data;
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+ struct serio_raw_client *client = file->private_data;
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- return fasync_helper(fd, file, on, &list->fasync);
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+ return fasync_helper(fd, file, on, &client->fasync);
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}
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static struct serio_raw *serio_raw_locate(int minor)
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@@ -78,8 +78,8 @@ static struct serio_raw *serio_raw_locate(int minor)
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static int serio_raw_open(struct inode *inode, struct file *file)
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{
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struct serio_raw *serio_raw;
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- struct serio_raw_list *list;
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- int retval = 0;
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+ struct serio_raw_client *client;
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+ int retval;
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retval = mutex_lock_interruptible(&serio_raw_mutex);
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if (retval)
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@@ -96,17 +96,17 @@ static int serio_raw_open(struct inode *inode, struct file *file)
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goto out;
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}
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- list = kzalloc(sizeof(struct serio_raw_list), GFP_KERNEL);
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- if (!list) {
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+ client = kzalloc(sizeof(struct serio_raw_client), GFP_KERNEL);
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+ if (!client) {
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retval = -ENOMEM;
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goto out;
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}
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- list->serio_raw = serio_raw;
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- file->private_data = list;
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+ client->serio_raw = serio_raw;
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+ file->private_data = client;
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kref_get(&serio_raw->kref);
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- list_add_tail(&list->node, &serio_raw->list);
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+ list_add_tail(&client->node, &serio_raw->client_list);
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out:
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mutex_unlock(&serio_raw_mutex);
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@@ -125,8 +125,8 @@ static void serio_raw_cleanup(struct kref *kref)
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static int serio_raw_release(struct inode *inode, struct file *file)
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{
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- struct serio_raw_list *list = file->private_data;
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- struct serio_raw *serio_raw = list->serio_raw;
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+ struct serio_raw_client *client = file->private_data;
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+ struct serio_raw *serio_raw = client->serio_raw;
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mutex_lock(&serio_raw_mutex);
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@@ -156,8 +156,8 @@ static int serio_raw_fetch_byte(struct serio_raw *serio_raw, char *c)
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static ssize_t serio_raw_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
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{
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- struct serio_raw_list *list = file->private_data;
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- struct serio_raw *serio_raw = list->serio_raw;
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+ struct serio_raw_client *client = file->private_data;
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+ struct serio_raw *serio_raw = client->serio_raw;
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char uninitialized_var(c);
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ssize_t retval = 0;
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@@ -167,8 +167,9 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer, size_t cou
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if (serio_raw->head == serio_raw->tail && (file->f_flags & O_NONBLOCK))
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return -EAGAIN;
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- retval = wait_event_interruptible(list->serio_raw->wait,
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- serio_raw->head != serio_raw->tail || !serio_raw->serio);
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+ retval = wait_event_interruptible(serio_raw->wait,
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+ serio_raw->head != serio_raw->tail ||
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+ !serio_raw->serio);
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if (retval)
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return retval;
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@@ -186,7 +187,8 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer, size_t cou
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static ssize_t serio_raw_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
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{
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- struct serio_raw_list *list = file->private_data;
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+ struct serio_raw_client *client = file->private_data;
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+ struct serio_raw *serio_raw = client->serio_raw;
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ssize_t written = 0;
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int retval;
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unsigned char c;
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@@ -195,7 +197,7 @@ static ssize_t serio_raw_write(struct file *file, const char __user *buffer, siz
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if (retval)
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return retval;
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- if (!list->serio_raw->serio) {
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+ if (!serio_raw->serio) {
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retval = -ENODEV;
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goto out;
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}
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@@ -208,7 +210,7 @@ static ssize_t serio_raw_write(struct file *file, const char __user *buffer, siz
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retval = -EFAULT;
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goto out;
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}
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- if (serio_write(list->serio_raw->serio, c)) {
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+ if (serio_write(serio_raw->serio, c)) {
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retval = -EIO;
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goto out;
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}
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@@ -222,25 +224,26 @@ out:
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static unsigned int serio_raw_poll(struct file *file, poll_table *wait)
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{
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- struct serio_raw_list *list = file->private_data;
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+ struct serio_raw_client *client = file->private_data;
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+ struct serio_raw *serio_raw = client->serio_raw;
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- poll_wait(file, &list->serio_raw->wait, wait);
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+ poll_wait(file, &serio_raw->wait, wait);
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- if (list->serio_raw->head != list->serio_raw->tail)
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+ if (serio_raw->head != serio_raw->tail)
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return POLLIN | POLLRDNORM;
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return 0;
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}
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static const struct file_operations serio_raw_fops = {
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- .owner = THIS_MODULE,
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- .open = serio_raw_open,
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- .release = serio_raw_release,
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- .read = serio_raw_read,
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- .write = serio_raw_write,
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- .poll = serio_raw_poll,
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- .fasync = serio_raw_fasync,
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- .llseek = noop_llseek,
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+ .owner = THIS_MODULE,
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+ .open = serio_raw_open,
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+ .release = serio_raw_release,
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+ .read = serio_raw_read,
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+ .write = serio_raw_write,
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+ .poll = serio_raw_poll,
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+ .fasync = serio_raw_fasync,
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+ .llseek = noop_llseek,
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};
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@@ -252,16 +255,16 @@ static irqreturn_t serio_raw_interrupt(struct serio *serio, unsigned char data,
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unsigned int dfl)
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{
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struct serio_raw *serio_raw = serio_get_drvdata(serio);
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- struct serio_raw_list *list;
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+ struct serio_raw_client *client;
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unsigned int head = serio_raw->head;
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- /* we are holding serio->lock here so we are prootected */
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+ /* we are holding serio->lock here so we are protected */
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serio_raw->queue[head] = data;
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head = (head + 1) % SERIO_RAW_QUEUE_LEN;
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if (likely(head != serio_raw->tail)) {
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serio_raw->head = head;
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- list_for_each_entry(list, &serio_raw->list, node)
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- kill_fasync(&list->fasync, SIGIO, POLL_IN);
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+ list_for_each_entry(client, &serio_raw->client_list, node)
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+ kill_fasync(&client->fasync, SIGIO, POLL_IN);
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wake_up_interruptible(&serio_raw->wait);
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}
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@@ -283,7 +286,7 @@ static int serio_raw_connect(struct serio *serio, struct serio_driver *drv)
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snprintf(serio_raw->name, sizeof(serio_raw->name), "serio_raw%d", serio_raw_no++);
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kref_init(&serio_raw->kref);
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serio_raw->serio = serio;
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- INIT_LIST_HEAD(&serio_raw->list);
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+ INIT_LIST_HEAD(&serio_raw->client_list);
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init_waitqueue_head(&serio_raw->wait);
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serio_set_drvdata(serio, serio_raw);
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