From mboxrd@z Thu Jan 1 00:00:00 1970 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 B7D05472790; Fri, 7 Aug 2026 15:03:19 +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=1786115000; cv=none; b=QTnyAw/83H76UTsa1xICFGVBVN19h34dHm4/O86oy4GCB2bJm3kia3dgmBiYFUaalnOIk6F1tL/jxt5Nq55YM4+DhlFixIUgkuqhQ/Ne3zbGtG0dnWdldwen7D+2h0FlqZA1/3H3WCYLLTHjB2LWZYHpSsF/2BiXapoYwtR8TCc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786115000; c=relaxed/simple; bh=JlNkDdcp1YQM4YFmKKLzX9zWfGMLjD0mu2UJqPzofXs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=T9YJepImItdLO3Bf2B9PyK1hhSMP/aMx17GQ1O/WuuOpoCu0Y0r0TUECCkIpXm7W7BnB4gNhgX4p34EMi5iKG8ggpKnvjo9beyDm8qPAhs3P3LMtHsoV5JgsT/AcrLyQDlss2K1qvWHYQU732AeVi3dr+7thAgfnps+E7SSQyYY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=gGBAd9fs; 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="gGBAd9fs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D2461F000E9; Fri, 7 Aug 2026 15:03:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786114999; bh=qqxn43/uWJdEYTJIuwrucpM5+6GIPeqeBi7v5Lhi/Vw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=gGBAd9fszFEdy5vv8uw2aZqGypjED8FUYy1NjZiWUWukiCdkUgZuIjXoJMsiVgzwg FyVGg3d337yTnnROK17vztSRZejZa9yW52x26QmhECt2vDRjKahQV2U0H09B059/7W zV/sTiCLB6JGYfHbrw48xyV3IwgbacAfIVQq5t6Q= 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 6.18 095/396] powerpc/boot: Fix treeboot-akebono CPU node lookup check Date: Fri, 7 Aug 2026 16:34:15 +0200 Message-ID: <20260807143426.329549970@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260807143424.272339768@linuxfoundation.org> References: <20260807143424.272339768@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 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thorsten Blum [ Upstream commit b24fc8278b70a9d27ec801a427ab4de9b769d69a ] fdt_node_offset_by_prop_value() returns a negative error code on failure - fix the check accordingly. Fixes: 2a2c74b2efcb ("IBM Akebono: Add the Akebono platform") Signed-off-by: Thorsten Blum Reviewed-by: Ritesh Harjani (IBM) Signed-off-by: Madhavan Srinivasan Link: https://patch.msgid.link/20260702211554.56923-6-thorsten.blum@linux.dev Signed-off-by: Sasha Levin --- arch/powerpc/boot/treeboot-akebono.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/boot/treeboot-akebono.c b/arch/powerpc/boot/treeboot-akebono.c index e3cc2599869cc..1b529037480fb 100644 --- a/arch/powerpc/boot/treeboot-akebono.c +++ b/arch/powerpc/boot/treeboot-akebono.c @@ -146,7 +146,7 @@ void platform_init(char *userdata) 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