linux-kernel - [PATCH AUTOSEL 5.4 08/13] fbdev: uvesafb: Call cn_del_callback() at the end of uvesafb

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Message-ID: <20231029230057.792930-8-sashal@kernel.org>
Date:   Sun, 29 Oct 2023 19:00:41 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Jorge Maidana <jorgem.linux@...il.com>,
        Helge Deller <deller@....de>, Sasha Levin <sashal@...nel.org>,
        spock@...too.org, linux-fbdev@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 5.4 08/13] fbdev: uvesafb: Call cn_del_callback() at the end of uvesafb_exit()

From: Jorge Maidana <jorgem.linux@...il.com>

[ Upstream commit 1022e7e2f40574c74ed32c3811b03d26b0b81daf ]

Delete the v86d netlink only after all the VBE tasks have been
completed.

Fixes initial state restore on module unload:
uvesafb: VBE state restore call failed (eax=0x4f04, err=-19)

Signed-off-by: Jorge Maidana <jorgem.linux@...il.com>
Signed-off-by: Helge Deller <deller@....de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/video/fbdev/uvesafb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
index 7d3af1d19ad3f..115653ba761c0 100644
--- a/drivers/video/fbdev/uvesafb.c
+++ b/drivers/video/fbdev/uvesafb.c
@@ -1933,10 +1933,10 @@ static void uvesafb_exit(void)
 		}
 	}
 
-	cn_del_callback(&uvesafb_cn_id);
 	driver_remove_file(&uvesafb_driver.driver, &driver_attr_v86d);
 	platform_device_unregister(uvesafb_device);
 	platform_driver_unregister(&uvesafb_driver);
+	cn_del_callback(&uvesafb_cn_id);
 }
 
 module_exit(uvesafb_exit);
-- 
2.42.0