diff options
Diffstat (limited to 'drivers/connector/connector.c')
| -rw-r--r-- | drivers/connector/connector.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c index d7125f4d911..35897079a78 100644 --- a/drivers/connector/connector.c +++ b/drivers/connector/connector.c @@ -26,6 +26,7 @@ #include <linux/netlink.h> #include <linux/moduleparam.h> #include <linux/connector.h> +#include <linux/mutex.h> #include <net/sock.h> @@ -41,7 +42,7 @@ module_param(cn_val, uint, 0); MODULE_PARM_DESC(cn_idx, "Connector's main device idx."); MODULE_PARM_DESC(cn_val, "Connector's main device val."); -static DECLARE_MUTEX(notify_lock); +static DEFINE_MUTEX(notify_lock); static LIST_HEAD(notify_list); static struct cn_dev cdev; @@ -260,7 +261,7 @@ static void cn_notify(struct cb_id *id, u32 notify_event) { struct cn_ctl_entry *ent; - down(¬ify_lock); + mutex_lock(¬ify_lock); list_for_each_entry(ent, ¬ify_list, notify_entry) { int i; struct cn_notify_req *req; @@ -293,7 +294,7 @@ static void cn_notify(struct cb_id *id, u32 notify_event) cn_netlink_send(&m, ctl->group, GFP_KERNEL); } } - up(¬ify_lock); + mutex_unlock(¬ify_lock); } /* @@ -407,14 +408,14 @@ static void cn_callback(void *data) if (ctl->group == 0) { struct cn_ctl_entry *n; - down(¬ify_lock); + mutex_lock(¬ify_lock); list_for_each_entry_safe(ent, n, ¬ify_list, notify_entry) { if (cn_ctl_msg_equals(ent->msg, ctl)) { list_del(&ent->notify_entry); kfree(ent); } } - up(¬ify_lock); + mutex_unlock(¬ify_lock); return; } @@ -429,9 +430,9 @@ static void cn_callback(void *data) memcpy(ent->msg, ctl, size - sizeof(*ent)); - down(¬ify_lock); + mutex_lock(¬ify_lock); list_add(&ent->notify_entry, ¬ify_list); - up(¬ify_lock); + mutex_unlock(¬ify_lock); } static int __init cn_init(void) |