Fix trivial misannotations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

drivers/gpu/drm/drm_ioc32.c

@@ -343,7 +343,7 @@ static int compat_drm_markbufs(struct file *file, unsigned int cmd,
 {
 	drm_buf_desc32_t b32;
 	drm_buf_desc32_t __user *argp = (void __user *)arg;
-	struct drm_buf_desc __user buf;
+	struct drm_buf_desc buf;
 
 	if (copy_from_user(&b32, argp, sizeof(b32)))
 		return -EFAULT;
@@ -870,7 +870,7 @@ static int compat_drm_mode_addfb2(struct file *file, unsigned int cmd,
 				  unsigned long arg)
 {
 	struct drm_mode_fb_cmd232 __user *argp = (void __user *)arg;
-	struct drm_mode_fb_cmd2 __user req64;
+	struct drm_mode_fb_cmd2 req64;
 	int err;
 
 	if (copy_from_user(&req64, argp,

drivers/gpu/drm/mga/mga_ioc32.c

@@ -115,7 +115,7 @@ static int compat_mga_dma_bootstrap(struct file *file, unsigned int cmd,
 				    unsigned long arg)
 {
 	drm_mga_dma_bootstrap32_t dma_bootstrap32;
-	drm_mga_dma_bootstrap_t __user dma_bootstrap;
+	drm_mga_dma_bootstrap_t dma_bootstrap;
 	int err;
 
 	if (copy_from_user(&dma_bootstrap32, (void __user *)arg,