diff options
Diffstat (limited to 'net/bluetooth/hci_sysfs.c')
| -rw-r--r-- | net/bluetooth/hci_sysfs.c | 79 |
1 files changed, 31 insertions, 48 deletions
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index 1a79a6c7e30e..463ffa4fe042 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -1,20 +1,19 @@ /* Bluetooth HCI driver model support. */ #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/debugfs.h> +#include <linux/seq_file.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> -struct class *bt_class = NULL; -EXPORT_SYMBOL_GPL(bt_class); +static struct class *bt_class; struct dentry *bt_debugfs = NULL; EXPORT_SYMBOL_GPL(bt_debugfs); -static struct workqueue_struct *bt_workq; - static inline char *link_typetostr(int type) { switch (type) { @@ -160,14 +159,14 @@ void hci_conn_add_sysfs(struct hci_conn *conn) { BT_DBG("conn %p", conn); - queue_work(bt_workq, &conn->work_add); + queue_work(conn->hdev->workqueue, &conn->work_add); } void hci_conn_del_sysfs(struct hci_conn *conn) { BT_DBG("conn %p", conn); - queue_work(bt_workq, &conn->work_del); + queue_work(conn->hdev->workqueue, &conn->work_del); } static inline char *host_bustostr(int bus) @@ -282,11 +281,9 @@ static ssize_t show_idle_timeout(struct device *dev, struct device_attribute *at static ssize_t store_idle_timeout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct hci_dev *hdev = dev_get_drvdata(dev); - char *ptr; - __u32 val; + unsigned long val; - val = simple_strtoul(buf, &ptr, 10); - if (ptr == buf) + if (strict_strtoul(buf, 0, &val) < 0) return -EINVAL; if (val != 0 && (val < 500 || val > 3600000)) @@ -306,11 +303,9 @@ static ssize_t show_sniff_max_interval(struct device *dev, struct device_attribu static ssize_t store_sniff_max_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct hci_dev *hdev = dev_get_drvdata(dev); - char *ptr; - __u16 val; + unsigned long val; - val = simple_strtoul(buf, &ptr, 10); - if (ptr == buf) + if (strict_strtoul(buf, 0, &val) < 0) return -EINVAL; if (val < 0x0002 || val > 0xFFFE || val % 2) @@ -333,11 +328,9 @@ static ssize_t show_sniff_min_interval(struct device *dev, struct device_attribu static ssize_t store_sniff_min_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct hci_dev *hdev = dev_get_drvdata(dev); - char *ptr; - __u16 val; + unsigned long val; - val = simple_strtoul(buf, &ptr, 10); - if (ptr == buf) + if (strict_strtoul(buf, 0, &val) < 0) return -EINVAL; if (val < 0x0002 || val > 0xFFFE || val % 2) @@ -405,20 +398,11 @@ static struct device_type bt_host = { .release = bt_host_release, }; -static int inquiry_cache_open(struct inode *inode, struct file *file) +static int inquiry_cache_show(struct seq_file *f, void *p) { - file->private_data = inode->i_private; - return 0; -} - -static ssize_t inquiry_cache_read(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - struct hci_dev *hdev = file->private_data; + struct hci_dev *hdev = f->private; struct inquiry_cache *cache = &hdev->inq_cache; struct inquiry_entry *e; - char buf[4096]; - int n = 0; hci_dev_lock_bh(hdev); @@ -426,23 +410,30 @@ static ssize_t inquiry_cache_read(struct file *file, char __user *userbuf, struct inquiry_data *data = &e->data; bdaddr_t bdaddr; baswap(&bdaddr, &data->bdaddr); - n += sprintf(buf + n, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n", - batostr(&bdaddr), - data->pscan_rep_mode, data->pscan_period_mode, - data->pscan_mode, data->dev_class[2], - data->dev_class[1], data->dev_class[0], - __le16_to_cpu(data->clock_offset), - data->rssi, data->ssp_mode, e->timestamp); + seq_printf(f, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n", + batostr(&bdaddr), + data->pscan_rep_mode, data->pscan_period_mode, + data->pscan_mode, data->dev_class[2], + data->dev_class[1], data->dev_class[0], + __le16_to_cpu(data->clock_offset), + data->rssi, data->ssp_mode, e->timestamp); } hci_dev_unlock_bh(hdev); - return simple_read_from_buffer(userbuf, count, ppos, buf, n); + return 0; +} + +static int inquiry_cache_open(struct inode *inode, struct file *file) +{ + return single_open(file, inquiry_cache_show, inode->i_private); } static const struct file_operations inquiry_cache_fops = { - .open = inquiry_cache_open, - .read = inquiry_cache_read, + .open = inquiry_cache_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, }; int hci_register_sysfs(struct hci_dev *hdev) @@ -488,17 +479,11 @@ void hci_unregister_sysfs(struct hci_dev *hdev) int __init bt_sysfs_init(void) { - bt_workq = create_singlethread_workqueue("bluetooth"); - if (!bt_workq) - return -ENOMEM; - bt_debugfs = debugfs_create_dir("bluetooth", NULL); bt_class = class_create(THIS_MODULE, "bluetooth"); - if (IS_ERR(bt_class)) { - destroy_workqueue(bt_workq); + if (IS_ERR(bt_class)) return PTR_ERR(bt_class); - } return 0; } @@ -508,6 +493,4 @@ void bt_sysfs_cleanup(void) class_destroy(bt_class); debugfs_remove_recursive(bt_debugfs); - - destroy_workqueue(bt_workq); } |