diff options
| author | Jeffy Chen <jeffy.chen@rock-chips.com> | 2017-07-12 09:18:32 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-13 21:25:04 +0300 |
| commit | 266530b34cb679188d5b2bd6e580b8105f4cb593 (patch) | |
| tree | 00d175007ae4f5d32f914c95c49e82e9fe48c87a | |
| parent | 4ca6df134847a6349620b485a3e63f00fb3bfad8 (diff) | |
| download | linux-266530b34cb679188d5b2bd6e580b8105f4cb593.tar.xz | |
drm: Add missing field copy in compat_drm_version
DRM_IOCTL_VERSION is supposed to update the name_len/date_len/desc_len
fields to user.
Fixes: 012c6741c6aa ("switch compat_drm_version() to drm_ioctl_kernel()")
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/gpu/drm/drm_ioc32.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index 0b2d8c4a2fa5..d1f202852028 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -112,6 +112,9 @@ static int compat_drm_version(struct file *file, unsigned int cmd, v32.version_major = v.version_major; v32.version_minor = v.version_minor; v32.version_patchlevel = v.version_patchlevel; + v32.name_len = v.name_len; + v32.date_len = v.date_len; + v32.desc_len = v.desc_len; if (copy_to_user((void __user *)arg, &v32, sizeof(v32))) return -EFAULT; return 0; |