diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-05-24 19:30:28 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-05-27 15:39:34 -0400 |
| commit | dbae740e3688e7afc266518d08ad6a65eaf4f259 (patch) | |
| tree | 8ba66d2c009502cc2f2645521980d1c95d470ab1 /drivers/gpu/drm/drm_ioc32.c | |
| parent | b36180a33b739ba563b002d0faeb7c6f7b7a2471 (diff) | |
switch compat_drm_markbufs() to drm_ioctl_kernel()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/gpu/drm/drm_ioc32.c')
| -rw-r--r-- | drivers/gpu/drm/drm_ioc32.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index e625a8dfd56f..657fbe02ebd8 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -348,21 +348,17 @@ static int compat_drm_markbufs(struct file *file, unsigned int cmd, { drm_buf_desc32_t b32; drm_buf_desc32_t __user *argp = (void __user *)arg; - struct drm_buf_desc __user *buf; + struct drm_buf_desc __user buf; if (copy_from_user(&b32, argp, sizeof(b32))) return -EFAULT; - buf = compat_alloc_user_space(sizeof(*buf)); - if (!buf) - return -EFAULT; - - if (__put_user(b32.size, &buf->size) - || __put_user(b32.low_mark, &buf->low_mark) - || __put_user(b32.high_mark, &buf->high_mark)) - return -EFAULT; + buf.size = b32.size; + buf.low_mark = b32.low_mark; + buf.high_mark = b32.high_mark; - return drm_ioctl(file, DRM_IOCTL_MARK_BUFS, (unsigned long)buf); + return drm_ioctl_kernel(file, drm_legacy_markbufs, &buf, + DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); } typedef struct drm_buf_info32 { @@ -1016,7 +1012,7 @@ static struct { DRM_IOCTL32_DEF(DRM_IOCTL_SET_UNIQUE, compat_drm_setunique), DRM_IOCTL32_DEF(DRM_IOCTL_ADD_MAP, compat_drm_addmap), DRM_IOCTL32_DEF(DRM_IOCTL_ADD_BUFS, compat_drm_addbufs), - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS32)].fn = compat_drm_markbufs, + DRM_IOCTL32_DEF(DRM_IOCTL_MARK_BUFS, compat_drm_markbufs), DRM_IOCTL32_DEF(DRM_IOCTL_INFO_BUFS, compat_drm_infobufs), [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS32)].fn = compat_drm_mapbufs, [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS32)].fn = compat_drm_freebufs, |