diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-05-24 19:10:32 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-05-27 15:39:33 -0400 |
| commit | 9e92662d01d87a54ee076cd1fcab8b199f6456eb (patch) | |
| tree | a4c4c97f11e115a3a2b3970591a41c2dd9b61910 | |
| parent | 5c7640ab625829fd08b7fa0160c6fd188e70b5fe (diff) | |
| download | linux-9e92662d01d87a54ee076cd1fcab8b199f6456eb.tar.gz | |
switch compat_drm_getclient() to drm_ioctl_kernel()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | drivers/gpu/drm/drm_internal.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_ioc32.c | 29 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_ioctl.c | 2 |
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; |