diff options
Diffstat (limited to 'linux-core/drm_vm.c')
| -rw-r--r-- | linux-core/drm_vm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c index 9a215161..0aabf943 100644 --- a/linux-core/drm_vm.c +++ b/linux-core/drm_vm.c @@ -698,7 +698,7 @@ EXPORT_SYMBOL(drm_mmap); * protected by the bo->mutex lock. */ -#ifdef DRM_FULL_MM_COMPAT +#if defined(DRM_FULL_MM_COMPAT) && !defined(DRM_NO_FAULT) static int drm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { @@ -715,6 +715,7 @@ static int drm_bo_vm_fault(struct vm_area_struct *vma, unsigned long ret = VM_FAULT_NOPAGE; dev = bo->dev; + err = mutex_lock_interruptible(&bo->mutex); if (err) { return VM_FAULT_NOPAGE; |