From 5886b130de953cfb8826f7771ec8640a79934a7f Mon Sep 17 00:00:00 2001
From: Shang XiaoJing <shangxiaojing@huawei.com>
Date: Mon, 14 Nov 2022 09:08:52 +0800
Subject: [PATCH] fbdev: via: Fix error in via_core_init()
Git-commit: 5886b130de953cfb8826f7771ec8640a79934a7f
Patch-mainline: v6.2-rc1
References: git-fixes
via_core_init() won't exit the driver when pci_register_driver() failed.
Exit the viafb-i2c and the viafb-gpio in failed path to prevent error.
VIA Graphics Integration Chipset framebuffer 2.4 initializing
Error: Driver 'viafb-i2c' is already registered, aborting...
Error: Driver 'viafb-gpio' is already registered, aborting...
Fixes: 7582eb9be85f ("viafb: Turn GPIO and i2c into proper platform devices")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/video/fbdev/via/via-core.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/via/via-core.c b/drivers/video/fbdev/via/via-core.c
index 32a6399b080b..2c1803eb196f 100644
--- a/drivers/video/fbdev/via/via-core.c
+++ b/drivers/video/fbdev/via/via-core.c
@@ -733,7 +733,14 @@ static int __init via_core_init(void)
return ret;
viafb_i2c_init();
viafb_gpio_init();
- return pci_register_driver(&via_driver);
+ ret = pci_register_driver(&via_driver);
+ if (ret) {
+ viafb_gpio_exit();
+ viafb_i2c_exit();
+ return ret;
+ }
+
+ return 0;
}
static void __exit via_core_exit(void)
--
2.35.3