diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-05-25 20:33:11 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-07-04 20:16:24 +0300 |
| commit | d5288c88c67c388091fa0281640b586b4941e3d5 (patch) | |
| tree | 8a31c407b9156175d7694f18bbdb14bf5eec5aca /drivers/gpu/drm/drm_ioc32.c | |
| parent | 1a36bf1da632670f9b0a1fc0d63dd65e0ad2483d (diff) | |
| download | linux-d5288c88c67c388091fa0281640b586b4941e3d5.tar.xz | |
switch compat_drm_wait_vblank() 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 | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index 752cb36a1cb7..60a7160a403f 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -837,29 +837,23 @@ static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, { drm_wait_vblank32_t __user *argp = (void __user *)arg; drm_wait_vblank32_t req32; - union drm_wait_vblank __user *request; + union drm_wait_vblank req; int err; if (copy_from_user(&req32, argp, sizeof(req32))) return -EFAULT; - request = compat_alloc_user_space(sizeof(*request)); - if (!request - || __put_user(req32.request.type, &request->request.type) - || __put_user(req32.request.sequence, &request->request.sequence) - || __put_user(req32.request.signal, &request->request.signal)) - return -EFAULT; - - err = drm_ioctl(file, DRM_IOCTL_WAIT_VBLANK, (unsigned long)request); + req.request.type = req32.request.type; + req.request.sequence = req32.request.sequence; + req.request.signal = req32.request.signal; + err = drm_ioctl_kernel(file, drm_wait_vblank, &req, DRM_UNLOCKED); if (err) return err; - if (__get_user(req32.reply.type, &request->reply.type) - || __get_user(req32.reply.sequence, &request->reply.sequence) - || __get_user(req32.reply.tval_sec, &request->reply.tval_sec) - || __get_user(req32.reply.tval_usec, &request->reply.tval_usec)) - return -EFAULT; - + req32.reply.type = req.reply.type; + req32.reply.sequence = req.reply.sequence; + req32.reply.tval_sec = req.reply.tval_sec; + req32.reply.tval_usec = req.reply.tval_usec; if (copy_to_user(argp, &req32, sizeof(req32))) return -EFAULT; @@ -960,7 +954,7 @@ static struct { #if defined(CONFIG_X86) || defined(CONFIG_IA64) DRM_IOCTL32_DEF(DRM_IOCTL_UPDATE_DRAW, compat_drm_update_draw), #endif - [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)].fn = compat_drm_wait_vblank, + DRM_IOCTL32_DEF(DRM_IOCTL_WAIT_VBLANK, compat_drm_wait_vblank), #if defined(CONFIG_X86) || defined(CONFIG_IA64) [DRM_IOCTL_NR(DRM_IOCTL_MODE_ADDFB232)].fn = compat_drm_mode_addfb2, #endif |