From c42e309727c288359c9e24d952b13955a9ace517 Mon Sep 17 00:00:00 2001
From: Immey <1781812988@qq.com>
Date: Thu, 20 Nov 2025 13:55:00 +0000
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DCVE-2024-50037?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Immey <1781812988@qq.com>
---
 drivers/gpu/drm/drm_fbdev_dma.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/drm_fbdev_dma.c b/drivers/gpu/drm/drm_fbdev_dma.c
index 13cd754af311..17c07dac2e05 100644
--- a/drivers/gpu/drm/drm_fbdev_dma.c
+++ b/drivers/gpu/drm/drm_fbdev_dma.c
@@ -42,6 +42,9 @@ static void drm_fbdev_dma_fb_destroy(struct fb_info *info)
 	if (!fb_helper->dev)
 		return;
 
+    if (info->fbdefio)
+		fb_deferred_io_cleanup(info);
+
 	drm_fb_helper_fini(fb_helper);
 
 	drm_client_buffer_vunmap(fb_helper->buffer);
-- 
Gitee