Only authenticated clients can mmap() (Jeff Hartmann).

diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index 771c11b..d17a137 100644 (file)
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -377,6 +377,8 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
        DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n",
                  vma->vm_start, vma->vm_end, VM_OFFSET(vma));
 
+       if ( !priv->authenticated ) return -EACCES;
+
        if (!VM_OFFSET(vma)) return DRM(mmap_dma)(filp, vma);
 
                                /* A sequential search of a linked list is

diff --git a/linux/drm_vm.h b/linux/drm_vm.h
index 771c11b..d17a137 100644 (file)
--- a/linux/drm_vm.h
+++ b/linux/drm_vm.h
@@ -377,6 +377,8 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
        DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n",
                  vma->vm_start, vma->vm_end, VM_OFFSET(vma));
 
+       if ( !priv->authenticated ) return -EACCES;
+
        if (!VM_OFFSET(vma)) return DRM(mmap_dma)(filp, vma);
 
                                /* A sequential search of a linked list is