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switch compat_drm_freebufs() to drm_ioctl_kernel()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-05-25 12:44:05 -04:00
parent dbae740e36
commit 8c9e4cfb40
1 changed files with 5 additions and 11 deletions
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16
drivers/gpu/drm/drm_ioc32.c
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@ -482,21 +482,15 @@ static int compat_drm_freebufs(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_buf_free32_t req32;
struct drm_buf_free __user *request;
struct drm_buf_free request;
drm_buf_free32_t __user *argp = (void __user *)arg;
if (copy_from_user(&req32, argp, sizeof(req32)))
return -EFAULT;
request = compat_alloc_user_space(sizeof(*request));
if (!request)
return -EFAULT;
if (__put_user(req32.count, &request->count)
|| __put_user((int __user *)(unsigned long)req32.list,
&request->list))
return -EFAULT;
return drm_ioctl(file, DRM_IOCTL_FREE_BUFS, (unsigned long)request);
request.count = req32.count;
request.list = compat_ptr(req32.list);
return drm_ioctl_kernel(file, drm_legacy_freebufs, &request, DRM_AUTH);
}
typedef struct drm_ctx_priv_map32 {
@ -1015,7 +1009,7 @@ static struct {
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,
DRM_IOCTL32_DEF(DRM_IOCTL_FREE_BUFS, compat_drm_freebufs),
[DRM_IOCTL_NR(DRM_IOCTL_RM_MAP32)].fn = compat_drm_rmmap,
[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX32)].fn = compat_drm_setsareactx,
[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX32)].fn = compat_drm_getsareactx,