diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/atm/usbatm.c | 27 | ||||
| -rw-r--r-- | drivers/usb/atm/usbatm.h | 2 |
2 files changed, 16 insertions, 13 deletions
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index e717f5b..0722872 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -80,6 +80,7 @@ #include <linux/stat.h> #include <linux/timer.h> #include <linux/wait.h> +#include <linux/kthread.h> #ifdef VERBOSE_DEBUG static int usbatm_print_packet(const unsigned char *data, int len); @@ -1014,10 +1015,7 @@ static int usbatm_do_heavy_init(void *arg) struct usbatm_data *instance = arg; int ret; - daemonize(instance->driver->driver_name); allow_signal(SIGTERM); - instance->thread_pid = current->pid; - complete(&instance->thread_started); ret = instance->driver->heavy_init(instance, instance->usb_intf); @@ -1026,7 +1024,7 @@ static int usbatm_do_heavy_init(void *arg) ret = usbatm_atm_init(instance); mutex_lock(&instance->serialize); - instance->thread_pid = -1; + instance->thread = NULL; mutex_unlock(&instance->serialize); complete_and_exit(&instance->thread_exited, ret); @@ -1034,13 +1032,18 @@ static int usbatm_do_heavy_init(void *arg) static int usbatm_heavy_init(struct usbatm_data *instance) { - int ret = kernel_thread(usbatm_do_heavy_init, instance, CLONE_FS | CLONE_FILES); - - if (ret < 0) { - usb_err(instance, "%s: failed to create kernel_thread (%d)!\n", __func__, ret); - return ret; + struct task_struct *t; + + t = kthread_create(usbatm_do_heavy_init, instance, + instance->driver->driver_name); + if (IS_ERR(t)) { + usb_err(instance, "%s: failed to create kernel_thread (%ld)!\n", + __func__, PTR_ERR(t)); + return PTR_ERR(t); } + instance->thread = t; + wake_up_process(t); wait_for_completion(&instance->thread_started); return 0; @@ -1124,7 +1127,7 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, kref_init(&instance->refcount); /* dropped in usbatm_usb_disconnect */ mutex_init(&instance->serialize); - instance->thread_pid = -1; + instance->thread = NULL; init_completion(&instance->thread_started); init_completion(&instance->thread_exited); @@ -1287,8 +1290,8 @@ void usbatm_usb_disconnect(struct usb_interface *intf) mutex_lock(&instance->serialize); instance->disconnected = 1; - if (instance->thread_pid >= 0) - kill_proc(instance->thread_pid, SIGTERM, 1); + if (instance->thread != NULL) + send_sig(SIGTERM, instance->thread, 1); mutex_unlock(&instance->serialize); wait_for_completion(&instance->thread_exited); diff --git a/drivers/usb/atm/usbatm.h b/drivers/usb/atm/usbatm.h index fc6c2be..e6887c6 100644 --- a/drivers/usb/atm/usbatm.h +++ b/drivers/usb/atm/usbatm.h @@ -175,7 +175,7 @@ struct usbatm_data { int disconnected; /* heavy init */ - int thread_pid; + struct task_struct *thread; struct completion thread_started; struct completion thread_exited; |
