From patchwork Tue Oct 27 13:49:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 290162 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 CDCB8C55179 for ; Tue, 27 Oct 2020 14:06:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F663222C8 for ; Tue, 27 Oct 2020 14:06:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603807602; bh=Gm6quWG61QDKSQll4BJQfDy3dvG4rp4sAm9JUEJKn28=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=MM/v3ijuRMMcM9rJNe3l1eV3FGdz6FFSFDtn+MAX2tGQftFNtRhUkWZT5Yi6JjBCE D+DqviRYSc3DCndjMBOebSYjR68bUUTcbi8v6gbYHnqzsIM0HY9feoR1AT1F4NtmOl pqr7vWA3LFK9vSMl8w+gkxGZQiDGyDTwJU0CkRDA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753269AbgJ0N7c (ORCPT ); Tue, 27 Oct 2020 09:59:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:47010 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753265AbgJ0N7b (ORCPT ); Tue, 27 Oct 2020 09:59:31 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C80CE2068D; Tue, 27 Oct 2020 13:59:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603807171; bh=Gm6quWG61QDKSQll4BJQfDy3dvG4rp4sAm9JUEJKn28=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XhONE+VKGTyDYXB0IUXy9+RH0qRpb+HtG6sIIRh+ewqEN0Tbwt1lQOJjYNiuwCwze iFsJx3OejeiIt/m3ZSXZHXGjehOrYec3CEYw43JJagxdFcC+TCCtFdNXo55UPECHAA lcBrKZyUP05aMmKf5K9aTTpjCDcWSq7Iyq9BcF1c= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Krzysztof Kozlowski , Dmitry Torokhov , Sasha Levin Subject: [PATCH 4.4 069/112] Input: ep93xx_keypad - fix handling of platform_get_irq() error Date: Tue, 27 Oct 2020 14:49:39 +0100 Message-Id: <20201027134903.833071477@linuxfoundation.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201027134900.532249571@linuxfoundation.org> References: <20201027134900.532249571@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Krzysztof Kozlowski [ Upstream commit 7d50f6656dacf085a00beeedbc48b19a37d17881 ] platform_get_irq() returns -ERRNO on error. In such case comparison to 0 would pass the check. Fixes: 60214f058f44 ("Input: ep93xx_keypad - update driver to new core support") Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20200828145744.3636-1-krzk@kernel.org Signed-off-by: Dmitry Torokhov Signed-off-by: Sasha Levin --- drivers/input/keyboard/ep93xx_keypad.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c index f77b295e0123e..01788a78041b3 100644 --- a/drivers/input/keyboard/ep93xx_keypad.c +++ b/drivers/input/keyboard/ep93xx_keypad.c @@ -257,8 +257,8 @@ static int ep93xx_keypad_probe(struct platform_device *pdev) } keypad->irq = platform_get_irq(pdev, 0); - if (!keypad->irq) { - err = -ENXIO; + if (keypad->irq < 0) { + err = keypad->irq; goto failed_free; }