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 306D3314A73; Fri, 7 Aug 2026 15:02:17 +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=1786114938; cv=none; b=VtoKNGCV+LpshIcwL3oFoFiLMA9Mb5n9xhuBRlgOVJCKn11gxfUi1s7I9LLsDKs3q0oc13Yiz1vspeL21FWG3oJesRhuFOdGfHg3R6wksyymexe9vPbH7aB9tQLEoqkqigSv049g0+49195R2Sxv5urtFSrUxC1mz5IJ9Lc1+LU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786114938; c=relaxed/simple; bh=AYkhBSfDQqsZZ1wsQ/dp95BLg/vhx/8Jw+A7UgAkd3Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QWOwn5GeCJNwK1O++e/68Vw4vRVphIo1W6Fmz2wbB+bSZk0TVTPgjS2aUUCDj0m+nWZAeyQ3de1JJX7yj23QTyd1/hTth58ZPoXTZAHkYHaouMDRmE7UqtCT+FilKEPmKh1X8C+grS9Ye1JNROGJwQv8iKyWuml/Hi21sf6ZiD0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=vkXEMkiz; 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="vkXEMkiz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8A0081F000E9; Fri, 7 Aug 2026 15:02:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786114937; bh=a/kfONYSg7Waq4nFabrpUCEOBp6QWZpx1qRZ3FxpQik=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=vkXEMkizxzvNBxzvUgRysM6LvY9fY1zPtotnEsydwsSJ5mjyNUJXhqZmmVfJqvVyQ //TTwkfrGStzdTb6oj6Xssod3lkn9sFAptbZOJVxKvscBrSEFfY8ZgaQBp/Z+dup2p PAdZFjnaCecsS6zN6QFSJtHnr4hE5GHXTq+B7xGw= 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 6.18 093/396] powerpc/boot: Fix simpleboot CPU node lookup check Date: Fri, 7 Aug 2026 16:34:13 +0200 Message-ID: <20260807143426.287078554@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 c824ab65685bb119c6c6a3a200b3428c72862d5a ] fdt_node_offset_by_prop_value() returns a negative error code on failure - fix the check accordingly. Fixes: d2477b5cc8ca ("[POWERPC] bootwrapper: Add a firmware-independent simpleboot target.") Signed-off-by: Thorsten Blum Reviewed-by: Ritesh Harjani (IBM) Signed-off-by: Madhavan Srinivasan Link: https://patch.msgid.link/20260702211554.56923-4-thorsten.blum@linux.dev Signed-off-by: Sasha Levin --- arch/powerpc/boot/simpleboot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/boot/simpleboot.c b/arch/powerpc/boot/simpleboot.c index c80691d83880b..27591df41e9e8 100644 --- a/arch/powerpc/boot/simpleboot.c +++ b/arch/powerpc/boot/simpleboot.c @@ -68,7 +68,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, /* finally, setup the timebase */ 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