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 CE8013AD526; Fri, 7 Aug 2026 14:45:31 +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=1786113932; cv=none; b=hCLj3uuRHAaEktsU0a8xYWPER7MJzgwNeqF1E2qrIWjgWjfMYht1puRlXvctlVxkD4CLLxlqBl7Tkhz9CbRH3UkDzFs6leU6Y+4TDpJkxmxyDGLyL3jhWPitn5d7MvjDLrNCmsKGk5gzJBrUfw28oDCrzZaPSnIYlRkcfdDbdsc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786113932; c=relaxed/simple; bh=SE9n3IaAae5tytHac2f3ry0husg1q04FbOSR57Z7Ee4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fYC0EX74KqIXHaZhkqfR2dXwfr2n9DHV3kVg1uuOUWzAnzYfugDMjYc8aiJ73nYtGFrfZALJxocyW/UmRK8mnJsTL1MR84hSEpFmyR9rxX1RXLquFPZ+Xnjd/YlySIenSbv7DV9Ti0h/uQoxH4jNfml7tivUDLvhRyrRWnEaxRQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=zTvYX6bh; 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="zTvYX6bh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF8F71F000E9; Fri, 7 Aug 2026 14:45:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786113931; bh=nWBfnflYxaN27fUx5uLfpwmPQ1s6e4cZytsU5eTrUOo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=zTvYX6bhOppzmVCxan/s0qZK/ElPrLOZ5x0LZOZL9kDDEjPFdRYRweTZ7WCRjE1VT fg3K8QdXEC471Ka/ZUEWGCfzkkUWffsTtokMvZfsmYtU2MfuYJ9AToCOz55MrdJNlh 4ZLs2lzGhFQADugxBiclxtcy8VdYSFeqWD5YBoos= 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 6.12 086/337] powerpc/boot: Fix treeboot-currituck CPU node lookup check Date: Fri, 7 Aug 2026 16:34:49 +0200 Message-ID: <20260807143420.378152246@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260807143418.516897842@linuxfoundation.org> References: <20260807143418.516897842@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 6.12-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