diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-05-25 22:47:44 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-07-04 20:16:25 +0300 |
| commit | 6113252dd0c70486f67e1e3c5cac643828d238d6 (patch) | |
| tree | ff2c5588a6b38ae83d27c1f453bd1051247fbfbf /drivers/gpu/drm/drm_ioc32.c | |
| parent | d6c5661321fc1ec33b37dbf115834250ff542325 (diff) | |
| download | linux-6113252dd0c70486f67e1e3c5cac643828d238d6.tar.xz | |
switch compat_drm_rmmap() 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 | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index bad1900c71dd..57b0ae39169b 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -228,19 +228,13 @@ static int compat_drm_rmmap(struct file *file, unsigned int cmd, unsigned long arg) { drm_map32_t __user *argp = (void __user *)arg; - struct drm_map __user *map; + struct drm_map map; u32 handle; if (get_user(handle, &argp->handle)) return -EFAULT; - - map = compat_alloc_user_space(sizeof(*map)); - if (!map) - return -EFAULT; - if (__put_user((void *)(unsigned long)handle, &map->handle)) - return -EFAULT; - - return drm_ioctl(file, DRM_IOCTL_RM_MAP, (unsigned long)map); + map.handle = compat_ptr(handle); + return drm_ioctl_kernel(file, drm_legacy_rmmap_ioctl, &map, DRM_AUTH); } typedef struct drm_client32 { @@ -918,7 +912,7 @@ static struct { DRM_IOCTL32_DEF(DRM_IOCTL_INFO_BUFS, compat_drm_infobufs), [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS32)].fn = compat_drm_mapbufs, DRM_IOCTL32_DEF(DRM_IOCTL_FREE_BUFS, compat_drm_freebufs), - [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP32)].fn = compat_drm_rmmap, + DRM_IOCTL32_DEF(DRM_IOCTL_RM_MAP, compat_drm_rmmap), DRM_IOCTL32_DEF(DRM_IOCTL_SET_SAREA_CTX, compat_drm_setsareactx), DRM_IOCTL32_DEF(DRM_IOCTL_GET_SAREA_CTX, compat_drm_getsareactx), DRM_IOCTL32_DEF(DRM_IOCTL_RES_CTX, compat_drm_resctx), |