Messages in this thread Patch in this message | | | From | Jeffy Chen <> | Subject | [PATCH] drm: Add missing field copy in compat_drm_version | Date | Wed, 12 Jul 2017 14:18:32 +0800 |
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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>
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drivers/gpu/drm/drm_ioc32.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index 94acf51..2789356 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; -- 2.1.4
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