From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9466F6FA0 for ; Mon, 16 Jan 2023 17:09:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1BEF2C433EF; Mon, 16 Jan 2023 17:09:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673888982; bh=kSQ82LOpfR3lGJ056C1tQTmq3jlGZTqq0nRtaS5AyPo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IDNYy8AB2lGEn3ik8UX1f++Ls1slXlV4Tl4kYQySFDZ1N/oPJ71/YYrf61wNfGUzZ gOb/gvmfdg3Ocbbrh2ryZBS+hwksc6vNBrDJpjCd9RMPcTmu2/kn5SF3mPBQ3xX/9N hAIING8ftWDAHpym6lU5SzKpKUHR/IVlP63swpWA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Shang XiaoJing , Helge Deller , Sasha Levin Subject: [PATCH 4.14 183/338] fbdev: via: Fix error in via_core_init() Date: Mon, 16 Jan 2023 16:50:56 +0100 Message-Id: <20230116154828.912037773@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154820.689115727@linuxfoundation.org> References: <20230116154820.689115727@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Shang XiaoJing [ Upstream commit 5886b130de953cfb8826f7771ec8640a79934a7f ] 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 Signed-off-by: Helge Deller Signed-off-by: Sasha Levin --- 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 77774d8abf94..e327ed308504 100644 --- a/drivers/video/fbdev/via/via-core.c +++ b/drivers/video/fbdev/via/via-core.c @@ -775,7 +775,14 @@ 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) -- 2.35.1