diff options
Diffstat (limited to 'drivers/char/drm/drm_vm.c')
| -rw-r--r-- | drivers/char/drm/drm_vm.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c index 3f73aa774c80..0291cd62c69f 100644 --- a/drivers/char/drm/drm_vm.c +++ b/drivers/char/drm/drm_vm.c @@ -188,7 +188,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) map = vma->vm_private_data; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); for (pt = dev->vmalist, prev = NULL; pt; pt = next) { next = pt->next; if (pt->vma->vm_private_data == map) @@ -248,7 +248,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) drm_free(map, sizeof(*map), DRM_MEM_MAPS); } } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); } /** @@ -404,12 +404,12 @@ static void drm_vm_open(struct vm_area_struct *vma) vma_entry = drm_alloc(sizeof(*vma_entry), DRM_MEM_VMAS); if (vma_entry) { - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); vma_entry->vma = vma; vma_entry->next = dev->vmalist; vma_entry->pid = current->pid; dev->vmalist = vma_entry; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); } } @@ -431,7 +431,7 @@ static void drm_vm_close(struct vm_area_struct *vma) vma->vm_start, vma->vm_end - vma->vm_start); atomic_dec(&dev->vma_count); - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) { if (pt->vma == vma) { if (prev) { @@ -443,7 +443,7 @@ static void drm_vm_close(struct vm_area_struct *vma) break; } } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); } /** |