linux-kernel - [PATCH] alpha: Improve error handling in alpha_rtc

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Message-Id: <20231127145103.29912-1-liuhaoran14@163.com>
Date:   Mon, 27 Nov 2023 06:51:03 -0800
From:   Haoran Liu <liuhaoran14@....com>
To:     richard.henderson@...aro.org
Cc:     ink@...assic.park.msu.ru, mattst88@...il.com,
        linux-alpha@...r.kernel.org, linux-kernel@...r.kernel.org,
        Haoran Liu <liuhaoran14@....com>
Subject: [PATCH] alpha: Improve error handling in alpha_rtc_init

This patch enhances the alpha_rtc_init function in
arch/alpha/kernel/rtc.c by adding error handling for the
platform_device_register_simple call.

Signed-off-by: Haoran Liu <liuhaoran14@....com>
---
 arch/alpha/kernel/rtc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/alpha/kernel/rtc.c b/arch/alpha/kernel/rtc.c
index fb3025396ac9..576397b1fac2 100644
--- a/arch/alpha/kernel/rtc.c
+++ b/arch/alpha/kernel/rtc.c
@@ -209,6 +209,9 @@ alpha_rtc_init(void)
 	init_rtc_epoch();
 
 	pdev = platform_device_register_simple("rtc-alpha", -1, NULL, 0);
+	if (IS_ERR(pdev))
+		return PTR_ERR(pdev);
+
 	rtc = devm_rtc_allocate_device(&pdev->dev);
 	if (IS_ERR(rtc))
 		return PTR_ERR(rtc);
-- 
2.17.1