Merge branch 'for-linus' of git://neil.brown.name/md

[deliverable/linux.git] / drivers / gpu / drm / drm_gem.c

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 33dad3fa60439e0b39daca428f8b062ddfca8276..bf92d07510df740d856c173e7dcce292659fe6f7 100644 (file)
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -68,8 +68,18 @@
  * We make up offsets for buffer objects so we can recognize them at
  * mmap time.
  */
+
+/* pgoff in mmap is an unsigned long, so we need to make sure that
+ * the faked up offset will fit
+ */
+
+#if BITS_PER_LONG == 64
 #define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFFUL >> PAGE_SHIFT) + 1)
 #define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFFUL >> PAGE_SHIFT) * 16)
+#else
+#define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFUL >> PAGE_SHIFT) + 1)
+#define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFUL >> PAGE_SHIFT) * 16)
+#endif
 
 /**
  * Initialize the GEM device fields
@@ -312,7 +322,7 @@ drm_gem_flink_ioctl(struct drm_device *dev, void *data,
 
        obj = drm_gem_object_lookup(dev, file_priv, args->handle);
        if (obj == NULL)
-               return -EBADF;
+               return -ENOENT;
 
 again:
        if (idr_pre_get(&dev->object_name_idr, GFP_KERNEL) == 0) {
@@ -419,6 +429,7 @@ drm_gem_release(struct drm_device *dev, struct drm_file *file_private)
        idr_for_each(&file_private->object_idr,
                     &drm_gem_object_release_handle, NULL);
 
+       idr_remove_all(&file_private->object_idr);
        idr_destroy(&file_private->object_idr);
 }