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| author | David S. Miller <davem@davemloft.net> | 2010-09-08 23:49:04 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-09-08 23:49:04 -0700 |
| commit | e199e6136ce6b151e6638ae93dca60748424d900 (patch) | |
| tree | 0d66e0b5d227c36b005e4f5537f4bbcfc6ed4904 /drivers/gpu/drm/drm_gem.c | |
| parent | 972c40b5bee429c84ba727f8ac0a08292bc5dc3d (diff) | |
| parent | d56557af19867edb8c0e96f8e26399698a08857f (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/gpu/drm/drm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/drm_gem.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 33dad3fa604..bf92d07510d 100644 --- 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); } |