From patchwork Tue Apr 26 08:21:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 567861 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 C2361C433F5 for ; Tue, 26 Apr 2022 08:55:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345917AbiDZI6o (ORCPT ); Tue, 26 Apr 2022 04:58:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345651AbiDZI5l (ORCPT ); Tue, 26 Apr 2022 04:57:41 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A67976256; Tue, 26 Apr 2022 01:42:10 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 410BC60C49; Tue, 26 Apr 2022 08:42:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 48747C385A4; Tue, 26 Apr 2022 08:42:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1650962529; bh=GWcUtf3UQVYWNlTxcZ+Z1ItyTx0lhByWckaw0QEi8uk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Vqkn3rUZo+hcXXqWRT+XPSYA33iswCmRvRkBLQj1EiNlMjweecjBQogJXIP3ROlmG vqH2IlVmo5oabd3dWm2YVKnWiqsgkCsvmDjy97q5z1aMXgXhrPTFqTMZcvbsAsvZaJ +Q0tiTdnbQYkQUUaHFPBijt5P04cFI8UJmWytemQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Miaoqian Lin , Dmitry Torokhov , Sasha Levin Subject: [PATCH 5.15 087/124] Input: omap4-keypad - fix pm_runtime_get_sync() error checking Date: Tue, 26 Apr 2022 10:21:28 +0200 Message-Id: <20220426081749.773512486@linuxfoundation.org> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220426081747.286685339@linuxfoundation.org> References: <20220426081747.286685339@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Miaoqian Lin [ Upstream commit 81022a170462d38ea10612cb67e8e2c529d58abe ] If the device is already in a runtime PM enabled state pm_runtime_get_sync() will return 1, so a test for negative value should be used to check for errors. Fixes: f77621cc640a ("Input: omap-keypad - dynamically handle register offsets") Signed-off-by: Miaoqian Lin Link: https://lore.kernel.org/r/20220412070131.19848-1-linmq006@gmail.com Signed-off-by: Dmitry Torokhov Signed-off-by: Sasha Levin --- drivers/input/keyboard/omap4-keypad.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c index 43375b38ee59..8a7ce41b8c56 100644 --- a/drivers/input/keyboard/omap4-keypad.c +++ b/drivers/input/keyboard/omap4-keypad.c @@ -393,7 +393,7 @@ static int omap4_keypad_probe(struct platform_device *pdev) * revision register. */ error = pm_runtime_get_sync(dev); - if (error) { + if (error < 0) { dev_err(dev, "pm_runtime_get_sync() failed\n"); pm_runtime_put_noidle(dev); return error;