diff options
Diffstat (limited to 'drivers/gpu/drm/drm_file.c')
| -rw-r--r-- | drivers/gpu/drm/drm_file.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c index eb009d3ab48f..02b5ab626edb 100644 --- a/drivers/gpu/drm/drm_file.c +++ b/drivers/gpu/drm/drm_file.c @@ -253,8 +253,8 @@ void drm_file_free(struct drm_file *file) dev = file->minor->dev; - DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", - task_pid_nr(current), + DRM_DEBUG("comm=\"%s\", pid=%d, dev=0x%lx, open_count=%d\n", + current->comm, task_pid_nr(current), (long)old_encode_dev(file->minor->kdev->devt), atomic_read(&dev->open_count)); @@ -342,10 +342,12 @@ static int drm_open_helper(struct file *filp, struct drm_minor *minor) return -EBUSY; /* No exclusive opens */ if (!drm_cpu_valid()) return -EINVAL; - if (dev->switch_power_state != DRM_SWITCH_POWER_ON && dev->switch_power_state != DRM_SWITCH_POWER_DYNAMIC_OFF) + if (dev->switch_power_state != DRM_SWITCH_POWER_ON && + dev->switch_power_state != DRM_SWITCH_POWER_DYNAMIC_OFF) return -EINVAL; - DRM_DEBUG("pid = %d, minor = %d\n", task_pid_nr(current), minor->index); + DRM_DEBUG("comm=\"%s\", pid=%d, minor=%d\n", current->comm, + task_pid_nr(current), minor->index); priv = drm_file_alloc(minor); if (IS_ERR(priv)) @@ -569,9 +571,6 @@ ssize_t drm_read(struct file *filp, char __user *buffer, struct drm_device *dev = file_priv->minor->dev; ssize_t ret; - if (!access_ok(buffer, count)) - return -EFAULT; - ret = mutex_lock_interruptible(&file_priv->event_read_lock); if (ret) return ret; @@ -613,7 +612,8 @@ put_back_event: file_priv->event_space -= length; list_add(&e->link, &file_priv->event_list); spin_unlock_irq(&dev->event_lock); - wake_up_interruptible(&file_priv->event_wait); + wake_up_interruptible_poll(&file_priv->event_wait, + EPOLLIN | EPOLLRDNORM); break; } @@ -809,7 +809,8 @@ void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e) list_del(&e->pending_link); list_add_tail(&e->link, &e->file_priv->event_list); - wake_up_interruptible(&e->file_priv->event_wait); + wake_up_interruptible_poll(&e->file_priv->event_wait, + EPOLLIN | EPOLLRDNORM); } EXPORT_SYMBOL(drm_send_event_locked); |