From nobody Sat Feb 7 05:03:12 2026 Received: from esa4.hc555-34.eu.iphmx.com (esa4.hc555-34.eu.iphmx.com [207.54.77.171]) (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 696721E531 for ; Sun, 18 Jan 2026 08:28:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=207.54.77.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768724939; cv=none; b=jqST/P+2v0WxeanZL7VQopMND3nDC4j0GkPdAN+JO2zysFNU8nfs1+5xtAQsbZNkchqn3XbrU4hXAr7DMztJg9A9AGM9syEe2arupxTDBV+9t2tWhs+PD4wHms6HyY4Y5gJqXqYPqfqC3dni27iXl8Q28hNcOGKlEM5WNzenU5Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768724939; c=relaxed/simple; bh=Ii33mXV4s4Nyd1Suug5yGFQDOBM4kf9ZTOW6KEmx2P4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CVrmtQi8XMJ/F7K/1hQdkhNqcmoOHwpXjPeLhZ/bb4jwhC2EW31tWtcANfpcSeRIPWACfrtEtyW3mJD2hmDlIlf7fq9BBRba1fdVEiqMEKV75fYoqbpBbEgcI2sxl14IyjzFm2LrTDG9G1N1S2OeWoHmWX5dVhyVPNToGuh8Nyk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mobileye.com; spf=pass smtp.mailfrom=mobileye.com; dkim=fail (0-bit key) header.d=mobileye.com header.i=@mobileye.com header.b=jpgvXJ8S reason="key not found in DNS"; arc=none smtp.client-ip=207.54.77.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mobileye.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mobileye.com Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mobileye.com header.i=@mobileye.com header.b="jpgvXJ8S" DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mobileye.com; i=@mobileye.com; q=dns/txt; s=MoEyIP; t=1768724935; x=1800260935; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ii33mXV4s4Nyd1Suug5yGFQDOBM4kf9ZTOW6KEmx2P4=; b=jpgvXJ8SNaClrUdETmq7cJe1Vp76VqhWIQzn1OUIldTRmTE1VoGMZ7y5 ZHzVZLnux1zY67j+79DgqVM1t9VPc5Ceg5T4Cyf4zXnIkziMvsGU4z6gT E/yMsrFNdeGtkwJzjcm3TUGQ0Ixn7+U21KAMjcBdmtwk4WIkIGwbMoO7e NtawJmo8JI3Bi6rbhfsFU1evWUNBQzx1y2Re0er+JxpjsnPVKWAt05e70 1MRgcl2SX4LowgqhCcFj9Abomg4kj+k0b4BJrl1BsUUJ0GKI4vT+US1c9 XeP2wsRrMjH3j+hzWKvrss7m3U0eMuGMfpP90ipmDKv9YrOvGyTVVWAr3 g==; X-CSE-ConnectionGUID: kRGvTqfHQda5BJzu0mih3w== X-CSE-MsgGUID: M5ABxE6fR7CF8xzpTSavTw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from unknown (HELO ces01_data.me-corp.lan) ([146.255.191.134]) by esa4.hc555-34.eu.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jan 2026 10:28:48 +0200 X-CSE-ConnectionGUID: oPSfaSdpSmK0mip+yC+uew== X-CSE-MsgGUID: 1YHw4DvjTIiL8dNQSc2Y+Q== Received: from unknown (HELO epgd071.me-corp.lan) ([10.154.54.2]) by ces01_data.me-corp.lan with SMTP; 18 Jan 2026 10:30:39 +0200 Received: by epgd071.me-corp.lan (sSMTP sendmail emulation); Sun, 18 Jan 2026 10:28:46 +0200 From: Vladimir Kondratiev To: tglx@kernel.org Cc: clm@meta.com, linux-kernel@vger.kernel.org, luxu.kernel@bytedance.com, vladimir.kondratiev@mobileye.com Subject: [PATCH] irqchip/aslint-sswi: fix error checking Date: Sun, 18 Jan 2026 10:28:43 +0200 Message-ID: <20260118082843.2786630-1-vladimir.kondratiev@mobileye.com> In-Reply-To: <878qdv3na2.ffs@tglx> References: <878qdv3na2.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" of_io_request_and_map() returns IOMEM_ERR_PTR() on failure which is non-NULL. Signed-off-by: Vladimir Kondratiev --- drivers/irqchip/irq-aclint-sswi.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-aclint-sswi.c b/drivers/irqchip/irq-aclint= -sswi.c index 325501f34a9b..ca06efd86fa1 100644 --- a/drivers/irqchip/irq-aclint-sswi.c +++ b/drivers/irqchip/irq-aclint-sswi.c @@ -110,8 +110,10 @@ static int __init aclint_sswi_probe(struct fwnode_hand= le *fwnode) return -EINVAL; =20 reg =3D of_io_request_and_map(to_of_node(fwnode), 0, NULL); - if (!reg) - return -ENOMEM; + if (IS_ERR(reg)) { + pr_err("%pfwP: Failed to map MMIO region\n", fwnode); + return PTR_ERR(reg); + } =20 /* Parse SSWI setting */ rc =3D aclint_sswi_parse_irq(fwnode, reg); --=20 2.43.0