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| author | Andres Salomon <dilinger@collabora.co.uk> | 2009-11-17 14:41:23 -0800 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-11-18 10:02:49 +1000 |
| commit | 156822f7175d9ceb9d7e808502d3c5de8841e047 (patch) | |
| tree | 1eb79f8e11c1ce4710dcdd83210d1acb5cd95b39 /drivers/gpu/drm/drm_drv.c | |
| parent | 420a457088669e055e767dfb8468909cd1799cf9 (diff) | |
| download | kernel_samsung_smdk4412-156822f7175d9ceb9d7e808502d3c5de8841e047.zip kernel_samsung_smdk4412-156822f7175d9ceb9d7e808502d3c5de8841e047.tar.gz kernel_samsung_smdk4412-156822f7175d9ceb9d7e808502d3c5de8841e047.tar.bz2 | |
drm: kill more unused DRM macros
There are a few more macros in drmP.h that are unused; DRM_GET_PRIV_SAREA,
DRM_ARRAY_SIZE, and DRM_WAITCOUNT can go away completely.
Unfortunately, DRM_COPY is still used in one place, but we can at least
move it to where it's used. It's an awful looking macro..
[akpm: fix overeagerness]
Signed-off-by: Andres Salomon <dilinger@collabora.co.uk>
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/drm_drv.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index a75ca63..43297ca 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -366,6 +366,18 @@ module_init(drm_core_init); module_exit(drm_core_exit); /** + * Copy and IOCTL return string to user space + */ +#define DRM_COPY(name, value) \ + len = strlen(value); \ + if (len > name##_len) len = name##_len; \ + name##_len = strlen(value); \ + if (len && name) { \ + if (copy_to_user(name, value, len)) \ + return -EFAULT; \ + } + +/** * Get version information * * \param inode device inode. |