From patchwork Tue Jun 2 05:46:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Navid Emamdoost X-Patchwork-Id: 11583257 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1DD15913 for ; Tue, 2 Jun 2020 05:46:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0332F206C3 for ; Tue, 2 Jun 2020 05:46:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="HHHp+KOG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725872AbgFBFq1 (ORCPT ); Tue, 2 Jun 2020 01:46:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725298AbgFBFq1 (ORCPT ); Tue, 2 Jun 2020 01:46:27 -0400 Received: from mail-io1-xd42.google.com (mail-io1-xd42.google.com [IPv6:2607:f8b0:4864:20::d42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B31D1C061A0E; Mon, 1 Jun 2020 22:46:26 -0700 (PDT) Received: by mail-io1-xd42.google.com with SMTP id p20so9492067iop.11; Mon, 01 Jun 2020 22:46:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=lutq7pfNwoE3dFJvq2H2xCXJlg/5j6WZ5IvheFzWD5Y=; b=HHHp+KOGpluSJ4ldGS2XV9PQZ4jwGXeWWCdKIz84HiDM3IRbuzQS2hbQRmu8BS7bnV DBunZ62iOoHCrgkkdjWdUedx1KpR1SEQ+2O7dvOyhPXuiJ9AaEabM+K2HuV/++qH3zgW W1t9GqJs+l4OD/KVfcOlII/Wzs/wSDXpV6C444V6aWs0+3v7MJcpXXttvMFS+OdDYq6D JrpWC/veejjHfUwPgV5yCDvLuMG5DXMXIwg+PADruBTUv78dyTO5njBy99dgs0+J3aXM 5KzYPcZO0mbIRp7RuBtbT/7ZJGQw0q34LslDiuchvE8WZad3cnHA0HafIB6PUO22iXhZ pOQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=lutq7pfNwoE3dFJvq2H2xCXJlg/5j6WZ5IvheFzWD5Y=; b=DiPu37QFKfAQV4Xl5ijjfXmutEywYQd0sLiXVUr5XWX+XO+MvI6beppxXtlaPDT3/u wDld4v2cYSXKsJ/nveWFXJ2o/RQFbdDSuxLl6YCygcnyfMsEpiPcv4d92Hdg+5HgESn3 fUDpJPzM4swllwvVSIh0WlyHpHf8QiHF4kYfynIJIv/Dn3BJ+sgXBRgbg2sTWMWWWCxw pCPoJMjS48iby4RtzgIDpuAXAHzf1JaYEUZcnt6gGAV6gVxCHfzrJJChdrH8WS3h4xDH XYS8sstHLBraHK7JPZYr5rrJuN9VuyeRBq8PlMkuMPrW9jhmQTZuFA9o7BRDHrtJiEAD SYtQ== X-Gm-Message-State: AOAM53174vFZmpaE3r6c7eXf0WyzS4ZHn2lh7ROps+pbEr9D+KTJlht/ 04feEfd5UPQ8Nx96Sq5GlJQ= X-Google-Smtp-Source: ABdhPJywelZne4Hp0ikvocBtxPokepjYb73VP2Gyh+hkTI3sSnVc/z7hrXdXVG9d3V7bCczxHVD4Wg== X-Received: by 2002:a05:6638:512:: with SMTP id i18mr5988934jar.74.1591076786111; Mon, 01 Jun 2020 22:46:26 -0700 (PDT) Received: from cs-u-kase.dtc.umn.edu (cs-u-kase.cs.umn.edu. [160.94.64.2]) by smtp.googlemail.com with ESMTPSA id a17sm894947ild.31.2020.06.01.22.46.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Jun 2020 22:46:25 -0700 (PDT) From: Navid Emamdoost To: Mark Brown , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: emamd001@umn.edu, wu000273@umn.edu, kjlu@umn.edu, smccaman@umn.edu, Navid Emamdoost Subject: [PATCH] spi: img-spfi: add missing pm_runtime_pu Date: Tue, 2 Jun 2020 00:46:19 -0500 Message-Id: <20200602054619.4352-1-navid.emamdoost@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Call to pm_runtime_get_sync increments counter even in case of failure leading to incorrect ref count. Call pm_runtime_put if pm_runtime_get_sync fails. Signed-off-by: Navid Emamdoost --- drivers/spi/spi-img-spfi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c index 8543f5ed1099..c3d0452ac78a 100644 --- a/drivers/spi/spi-img-spfi.c +++ b/drivers/spi/spi-img-spfi.c @@ -785,8 +785,10 @@ static int img_spfi_resume(struct device *dev) int ret; ret = pm_runtime_get_sync(dev); - if (ret) + if (ret) { + pm_runtime_put(dev); return ret; + } spfi_reset(spfi); pm_runtime_put(dev);