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| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-05-25 19:44:05 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-05-27 22:39:35 +0300 |
| commit | 8c9e4cfb409838ca463933742560cbe8c5bd1601 (patch) | |
| tree | e83a6af3bb61aaa3ceb28afad595839733d8c852 /drivers/gpu/drm/drm_ioc32.c | |
| parent | dbae740e3688e7afc266518d08ad6a65eaf4f259 (diff) | |
| download | linux-8c9e4cfb409838ca463933742560cbe8c5bd1601.tar.xz | |
switch compat_drm_freebufs() 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 | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index 657fbe02ebd8..14eaa25ac3fc 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -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, |