From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 930E4E7C4E8 for ; Wed, 4 Oct 2023 18:07:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243529AbjJDSHN (ORCPT ); Wed, 4 Oct 2023 14:07:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55880 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243829AbjJDSHM (ORCPT ); Wed, 4 Oct 2023 14:07:12 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8EF7AC1 for ; Wed, 4 Oct 2023 11:07:09 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D203DC433C9; Wed, 4 Oct 2023 18:07:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1696442829; bh=QniTWhp3myWiEsWYMmtQT+IlKnfweV57QaFOc0VOAvs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Wff3xpO9NroZjIjUxOJCqSGKFDtSKz5tsj3/V5Ujg7zuhYW/iPONN35Raj+MfCkh2 Br1qyE+qx+xYaqhzTcN+WvMbzgA119k8+GDabPrqA6ci91It7l4aXvZ6zZOl+RL6Oa 2/qSp0qX4AxcCaJ0FJvXJzKb/jVSlI/44Wsqr5zY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Timo Alho , Mikko Perttunen , Stephen Boyd , Sasha Levin Subject: [PATCH 5.15 095/183] clk: tegra: fix error return case for recalc_rate Date: Wed, 4 Oct 2023 19:55:26 +0200 Message-ID: <20231004175207.883282222@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231004175203.943277832@linuxfoundation.org> References: <20231004175203.943277832@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Timo Alho [ Upstream commit a47b44fbb13f5e7a981b4515dcddc93a321ae89c ] tegra-bpmp clocks driver makes implicit conversion of signed error code to unsigned value in recalc_rate operation. The behavior for recalc_rate, according to it's specification, should be that "If the driver cannot figure out a rate for this clock, it must return 0." Fixes: ca6f2796eef7 ("clk: tegra: Add BPMP clock driver") Signed-off-by: Timo Alho Signed-off-by: Mikko Perttunen Link: https://lore.kernel.org/r/20230912112951.2330497-1-cyndis@kapsi.fi Signed-off-by: Stephen Boyd Signed-off-by: Sasha Levin --- drivers/clk/tegra/clk-bpmp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/tegra/clk-bpmp.c b/drivers/clk/tegra/clk-bpmp.c index 6ecf18f71c329..f6721f1d40885 100644 --- a/drivers/clk/tegra/clk-bpmp.c +++ b/drivers/clk/tegra/clk-bpmp.c @@ -159,7 +159,7 @@ static unsigned long tegra_bpmp_clk_recalc_rate(struct clk_hw *hw, err = tegra_bpmp_clk_transfer(clk->bpmp, &msg); if (err < 0) - return err; + return 0; return response.rate; } -- 2.40.1