Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 CC3A343B498; Mon, 17 Aug 2026 15:19:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786979948; cv=none; b=NKGiGFrYKFTgy1Lm4OPxUvvSfWOqHKXfEob2Ghxi2R3x8vDyUEdajOLX0q8gWilPSkfm9PAyXCTMICm8Df/sDzXQ8F+p3GcYEPWPWglNsYIwUo5RYDUjkB5FvZQOkQGoqK2Whp55FS71XJipZUoF4IUXNWtgNYX4xZYxibwk3fw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786979948; c=relaxed/simple; bh=Y/ReEc1zq3Nh1rYguoCKB8RcNaIydPwRqzntITmXRk4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lwUlfHWmbHce5YToYyK6m/+gr4MD6MW0B2LfVtAwtu04SmY5t6ehx0h+kGmdX8dFpQyH9/5aOScs2q2NSr0HaMfeHzIj4Zn0Z89gR0gafgigVKxp6xz+BqotXY1ggvVH5LyPgdmrrcY9oU5zqvDKTjnG29WLnsVBhQSeIFLsIUI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=rdbW8wGR; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="rdbW8wGR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BC5E81F00A3A; Mon, 17 Aug 2026 15:19:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786979945; bh=dV+LpaDE5SwYp++heIsCzZZP2zLVJvO4DrxdM2CzTOA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=rdbW8wGRuG7pM4jaTNOQPxAIWaCkluzTQILwdY0+thTYLR/Ilp1Oc4EoBJfa1NY2k gXAVzTeYjcaSc2R7pHzrxQXCPZIbO0qTV95+XxAyzivpBd5LtiWHI0CgJnwi1tpez8 XVrtUyhjuwYAs1p3M8CYmAIgdTIIfTLi7Iq6Cz00= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Thorsten Blum , "Ritesh Harjani (IBM)" , Madhavan Srinivasan , Sasha Levin Subject: [PATCH 6.1 363/609] powerpc/boot: Fix treeboot-currituck CPU node lookup check Date: Mon, 17 Aug 2026 15:30:59 +0200 Message-ID: <20260817132556.427928564@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260817132543.039278408@linuxfoundation.org> References: <20260817132543.039278408@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thorsten Blum [ Upstream commit 43863f6575d2211e8c5157fefb83ad0ad046aab4 ] fdt_node_offset_by_prop_value() returns a negative error code on failure - fix the check accordingly. Fixes: 228d55053397 ("powerpc/47x: Add support for the new IBM currituck platform") Signed-off-by: Thorsten Blum Reviewed-by: Ritesh Harjani (IBM) Signed-off-by: Madhavan Srinivasan Link: https://patch.msgid.link/20260702211554.56923-5-thorsten.blum@linux.dev Signed-off-by: Sasha Levin --- arch/powerpc/boot/treeboot-currituck.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/boot/treeboot-currituck.c b/arch/powerpc/boot/treeboot-currituck.c index d53e8a592f816..5b5363b74f9f3 100644 --- a/arch/powerpc/boot/treeboot-currituck.c +++ b/arch/powerpc/boot/treeboot-currituck.c @@ -102,7 +102,7 @@ void platform_init(void) node = fdt_node_offset_by_prop_value(_dtb_start, -1, "device_type", "cpu", sizeof("cpu")); - if (!node) + if (node < 0) fatal("Cannot find cpu node\n"); timebase = fdt_getprop(_dtb_start, node, "timebase-frequency", &size); if (timebase && (size == 4)) -- 2.53.0