From: Jeffy Chen Date: Wed, 12 Jul 2017 06:18:32 +0000 (+0800) Subject: drm: Add missing field copy in compat_drm_version X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=266530b34cb679188d5b2bd6e580b8105f4cb593;p=openwrt%2Fstaging%2Fblogic.git 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 Reviewed-by: Daniel Vetter Signed-off-by: Linus Torvalds --- 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;