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-rw-r--r--drivers/gpu/drm/drm_internal.h1
-rw-r--r--drivers/gpu/drm/drm_ioc32.c29
-rw-r--r--drivers/gpu/drm/drm_ioctl.c2
3 files changed, 14 insertions, 18 deletions
diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h
index 7299ba01bd99..14dfa9c83d1d 100644
--- a/drivers/gpu/drm/drm_internal.h
+++ b/drivers/gpu/drm/drm_internal.h
@@ -145,3 +145,4 @@ static inline int drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
#endif
drm_ioctl_t drm_version;
drm_ioctl_t drm_getunique;
+drm_ioctl_t drm_getclient;
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c
index 0be62f20e524..7f36cbe066da 100644
--- a/drivers/gpu/drm/drm_ioc32.c
+++ b/drivers/gpu/drm/drm_ioc32.c
@@ -263,29 +263,24 @@ static int compat_drm_getclient(struct file *file, unsigned int cmd,
{
drm_client32_t c32;
drm_client32_t __user *argp = (void __user *)arg;
- struct drm_client __user *client;
- int idx, err;
+ struct drm_client client;
+ int err;
- if (get_user(idx, &argp->idx))
+ if (copy_from_user(&c32, argp, sizeof(c32)))
return -EFAULT;
- client = compat_alloc_user_space(sizeof(*client));
- if (!client)
- return -EFAULT;
- if (__put_user(idx, &client->idx))
- return -EFAULT;
+ client.idx = c32.idx;
- err = drm_ioctl(file, DRM_IOCTL_GET_CLIENT, (unsigned long)client);
+ err = drm_ioctl_kernel(file, drm_getclient, &client, DRM_UNLOCKED);
if (err)
return err;
- if (__get_user(c32.idx, &client->idx)
- || __get_user(c32.auth, &client->auth)
- || __get_user(c32.pid, &client->pid)
- || __get_user(c32.uid, &client->uid)
- || __get_user(c32.magic, &client->magic)
- || __get_user(c32.iocs, &client->iocs))
- return -EFAULT;
+ c32.idx = client.idx;
+ c32.auth = client.auth;
+ c32.pid = client.pid;
+ c32.uid = client.uid;
+ c32.magic = client.magic;
+ c32.iocs = client.iocs;
if (copy_to_user(argp, &c32, sizeof(c32)))
return -EFAULT;
@@ -1037,7 +1032,7 @@ static struct {
DRM_IOCTL32_DEF(DRM_IOCTL_VERSION, compat_drm_version),
DRM_IOCTL32_DEF(DRM_IOCTL_GET_UNIQUE, compat_drm_getunique),
DRM_IOCTL32_DEF(DRM_IOCTL_GET_MAP, compat_drm_getmap),
- [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT32)].fn = compat_drm_getclient,
+ DRM_IOCTL32_DEF(DRM_IOCTL_GET_CLIENT, compat_drm_getclient),
[DRM_IOCTL_NR(DRM_IOCTL_GET_STATS32)].fn = compat_drm_getstats,
DRM_IOCTL32_DEF(DRM_IOCTL_SET_UNIQUE, compat_drm_setunique),
[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP32)].fn = compat_drm_addmap,
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index a7d4d6253096..8a8b3075b8b2 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -172,7 +172,7 @@ static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv)
* Searches for the client with the specified index and copies its information
* into userspace
*/
-static int drm_getclient(struct drm_device *dev, void *data,
+int drm_getclient(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_client *client = data;