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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9CFEC2BA83 for ; Fri, 14 Feb 2020 16:29:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 88FB6246FC for ; Fri, 14 Feb 2020 16:29:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581697745; bh=1KRN5EPz1xFdEunECOo2lFHV5Qkwf1hIyBBEyNAKpHg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=pwoGyCDiKYvUSiLkvCGioPl/C8lTUuh8cC0ZZ3+/k/cVXEpHo8q9K6R/tFj1WowAy 59iIkuvXo2OdP14QBxqhTfwRig00nZIA2YUPu7Z6woc6QMXgi2kO8kzKec91Jqqwep 1G0z55lXHAKmSeSeYyXDb1Jm6WZhIyKm9C2XVLH8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406648AbgBNQ12 (ORCPT ); Fri, 14 Feb 2020 11:27:28 -0500 Received: from mail.kernel.org ([198.145.29.99]:35182 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406121AbgBNQZa (ORCPT ); Fri, 14 Feb 2020 11:25:30 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0780124789; Fri, 14 Feb 2020 16:25:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581697529; bh=1KRN5EPz1xFdEunECOo2lFHV5Qkwf1hIyBBEyNAKpHg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dXZC/01NfLK81vh+Z9xq67BYqQZja/8qf/D7cNqwjtuHYt3T8XerJu83SHrG2qCYw mV6yC+NMngoH9HMwd5FN8uJ3yxrcCs21WxF5ZEIU7gI6ePXQoVPxFpQJ5e48nMViL6 EmHMFGPS4ImibmLC8/bR7L7DTy4MyHY1unQ95MvQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Paul Kocialkowski , Alexandre Belloni , Sasha Levin , linux-rtc@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 052/100] rtc: hym8563: Return -EINVAL if the time is known to be invalid Date: Fri, 14 Feb 2020 11:23:36 -0500 Message-Id: <20200214162425.21071-52-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214162425.21071-1-sashal@kernel.org> References: <20200214162425.21071-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Paul Kocialkowski [ Upstream commit f236a2a2ebabad0848ad0995af7ad1dc7029e895 ] The current code returns -EPERM when the voltage loss bit is set. Since the bit indicates that the time value is not valid, return -EINVAL instead, which is the appropriate error code for this situation. Fixes: dcaf03849352 ("rtc: add hym8563 rtc-driver") Signed-off-by: Paul Kocialkowski Link: https://lore.kernel.org/r/20191212153111.966923-1-paul.kocialkowski@bootlin.com Signed-off-by: Alexandre Belloni Signed-off-by: Sasha Levin --- drivers/rtc/rtc-hym8563.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c index b1b4746a0eab5..dbec596494ebe 100644 --- a/drivers/rtc/rtc-hym8563.c +++ b/drivers/rtc/rtc-hym8563.c @@ -105,7 +105,7 @@ static int hym8563_rtc_read_time(struct device *dev, struct rtc_time *tm) if (!hym8563->valid) { dev_warn(&client->dev, "no valid clock/calendar values available\n"); - return -EPERM; + return -EINVAL; } ret = i2c_smbus_read_i2c_block_data(client, HYM8563_SEC, 7, buf); -- 2.20.1