Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

[linux-2.6] / drivers / char / drm / drm_bufs.c

diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index 923174c54a1cd3150d30cd06f298d130beb20e57..c115b39b85178cc4d84fd9d9b55f5521ccb6d7c5 100644 (file)
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -177,8 +177,14 @@ static int drm_addmap_core(struct drm_device * dev, unsigned int offset,
                                                     MTRR_TYPE_WRCOMB, 1);
                        }
                }
-               if (map->type == _DRM_REGISTERS)
+               if (map->type == _DRM_REGISTERS) {
                        map->handle = ioremap(map->offset, map->size);
+                       if (!map->handle) {
+                               drm_free(map, sizeof(*map), DRM_MEM_MAPS);
+                               return -ENOMEM;
+                       }
+               }
+                               
                break;
        case _DRM_SHM:
                list = drm_find_matching_map(dev, map);
@@ -479,11 +485,6 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
                return -EINVAL;
        }
 
-       if (!map) {
-               mutex_unlock(&dev->struct_mutex);
-               return -EINVAL;
-       }
-
        /* Register and framebuffer maps are permanent */
        if ((map->type == _DRM_REGISTERS) || (map->type == _DRM_FRAME_BUFFER)) {
                mutex_unlock(&dev->struct_mutex);