From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8E762F691B; Tue, 2 Dec 2025 08:40:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764664854; cv=none; b=D3MacIXziYTit2+LErPkTUBZKSAWqot6qGI0L8BvKnkAM2pdKGn8ZU50QY6izNFl+Nbc6i0k6swpEVKgu9vVYOriIIERVSsvMG0FEUpnVfYdZo7h9hIlgxo1h8sODjHnG7IJPS1Een5ov9W7IzMXspt5tlhe+IaK5mTGdi0uLfA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764664854; c=relaxed/simple; bh=iD0+avu6pX4z2YnF8WjTS6d7hUKbsFDLIFXQ4T7IpHo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=sTjPO6AVZd8AK53fHC4NPpwaKtjMwF2BSsqtGzMyfyASzR8yBjwxGg4stZO079LMOErjIimJC8zlXo1oSwvDs+g4XMNRs+QirtfQmf2UduQ/QjHBfi7+WuUsAJuMlSBuLmj91zD5NJNCWXA8Pk4yKiNAt6SlgSXGr2kHumkMRfY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from DESKTOP-L0HPE2S (unknown [124.16.141.245]) by APP-01 (Coremail) with SMTP id qwCowACHHc0Npi5pGWLWAg--.48847S2; Tue, 02 Dec 2025 16:40:46 +0800 (CST) From: Haotian Zhang To: wbg@kernel.org Cc: andriy.shevchenko@linux.intel.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Haotian Zhang Subject: [PATCH] counter: 104-quad-8: Fix incorrect return value in IRQ handler Date: Tue, 2 Dec 2025 16:39:52 +0800 Message-ID: <20251202083952.1975-1-vulab@iscas.ac.cn> X-Mailer: git-send-email 2.50.1.windows.1 Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:qwCowACHHc0Npi5pGWLWAg--.48847S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Gw4rKFW7XrWfKryrtw4ruFg_yoWkCrb_ur nrZwnrAFW7tr1DCrZIgr1Yv3sIv3Z5WFyfJF47tFy3t34DWr9Ivr18Zrn8GF4xWr48AFnx KFn5CrWIkry7CjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb48FF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkF7I0En4kS14v26r12 6r1DMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI 0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y 0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxV WUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1l IxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUjO6pDUUUU U== X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiBwsEA2kuYGnb5AACs4 quad8_irq_handler() should return irqreturn_t enum values, but it directly returns negative errno codes from regmap operations on error. Return IRQ_NONE instead of raw errno codes on regmap operation failures. Fixes: 98ffe0252911 ("counter: 104-quad-8: Migrate to the regmap API") Signed-off-by: Haotian Zhang --- drivers/counter/104-quad-8.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/counter/104-quad-8.c b/drivers/counter/104-quad-8.c index ce81fc4e1ae7..17f4da6c24af 100644 --- a/drivers/counter/104-quad-8.c +++ b/drivers/counter/104-quad-8.c @@ -1201,7 +1201,7 @@ static irqreturn_t quad8_irq_handler(int irq, void *private) ret = regmap_read(priv->map, QUAD8_INTERRUPT_STATUS, &status); if (ret) - return ret; + return IRQ_NONE; if (!status) return IRQ_NONE; @@ -1233,7 +1233,7 @@ static irqreturn_t quad8_irq_handler(int irq, void *private) ret = regmap_write(priv->map, QUAD8_CHANNEL_OPERATION, CLEAR_PENDING_INTERRUPTS); if (ret) - return ret; + return IRQ_NONE; return IRQ_HANDLED; } -- 2.50.1.windows.1