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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-390b13b0c74sm4719672a91.0.2026.08.09.22.15.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Aug 2026 22:15:22 -0700 (PDT) From: phucduc.bui@gmail.com To: Alexandre Belloni Cc: linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH 2/2] rtc: cmos: Propagate errors from optional IRQ lookup Date: Mon, 10 Aug 2026 12:15:04 +0700 Message-ID: <20260810051504.26912-2-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260810051504.26912-1-phucduc.bui@gmail.com> References: <20260810051504.26912-1-phucduc.bui@gmail.com> Precedence: bulk X-Mailing-List: linux-rtc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc platform_get_irq_optional() returns a positive IRQ number on success or a negative error code on failure. For an optional IRQ, -ENXIO indicates that no optional IRQ is available, while other errors should be propagated. Propagate all error codes returned by platform_get_irq_optional() other than -ENXIO, while preserving -1 for the case where no optional IRQ is available. Signed-off-by: bui duc phuc --- drivers/rtc/rtc-cmos.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index fa04ece151b8..0a2c7383c8cd 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -1436,7 +1436,9 @@ static int __init cmos_platform_probe(struct platform_device *pdev) else resource = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq_optional(pdev, 0); - if (irq < 0) { + if (irq < 0 && irq != -ENXIO) + return irq; + if (irq == -ENXIO) { irq = -1; #ifdef CONFIG_X86 /* -- 2.43.0