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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED, 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 3B334ECDFB3 for ; Tue, 17 Jul 2018 21:07:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E383E20693 for ; Tue, 17 Jul 2018 21:07:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="iTvtQMtN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E383E20693 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731285AbeGQVjW (ORCPT ); Tue, 17 Jul 2018 17:39:22 -0400 Received: from mail-pl0-f66.google.com ([209.85.160.66]:33142 "EHLO mail-pl0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731245AbeGQVjU (ORCPT ); Tue, 17 Jul 2018 17:39:20 -0400 Received: by mail-pl0-f66.google.com with SMTP id 6-v6so999091plb.0 for ; Tue, 17 Jul 2018 14:04:54 -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:in-reply-to:references; bh=GCOFmLA1gK7VYup/osCyCBFC/ocd6npVJLY54eLqjXM=; b=iTvtQMtNNmRdz+MEGVe15sDpTGnobM/XYODm8WjZSXxzYTR5BhHE9k+RGv0qNMLWh6 LNt6lGnbTkSBhty+KspFtEPkBeyJxldaEaBfc9Z/HWhebEgV6IERdn8TSO2gMPIDWA1D upn1B7lIkJHuuYlGulA/dIcYePL7T1eEkkYnxSvEuYVva229ZXM+aJ54OqF6jpCa4+Qp mKycBP8WHMk8312eIOGKY2iA+Gl34Ib36eUaZU1eVjhuQk7K6KINuFQv2lwlqoiBU4IX 1Phf8EC4aTW+T6b3O2MM0FtzKnpF50pnJxJ1+5G7WHYbYzxLGN3maoRlgzh+ZUOlvcx/ grbQ== 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:in-reply-to :references; bh=GCOFmLA1gK7VYup/osCyCBFC/ocd6npVJLY54eLqjXM=; b=bcGaF7ih5q6N5X5MWbw6UFZ73r7UzsLOvFG0pbo60e5gcTnDffNZ+NF6WI5JPTOvMu ICKQial/VoSkcj+BRGW4w6hWr/2T2HbfZ+Y0rW/o2kvQv5ZkBxHBNijRoeJe/dWtT9Xo q6frQjGomTg7H8qNaaZ+6zGpaaFFdf53KfHy9Xpn2XM949f5np/cDUC9Q/lDd1CDAuAq KiHKE4eTZiYgd4iDMtioZ07SlKZRdGvx6ARRBCvPC2NvLjE2TOVTQe1KuucIkPt/R5Xh WGuC5ppRB+EYvvHvcwRvgcOrP5OEKeI4boffQJXRwW/S7RVIcWtji0xlEoTLowBOfOQo RBPw== X-Gm-Message-State: AOUpUlEj9Hzu8wrE1pnpHQOmB2p1E2zyhUsco+VMmQNJ/5xehMdR5Yj6 UfAG880gr4dxfBpXHUfF08A= X-Google-Smtp-Source: AAOMgpf+8lz2JwEHRwc+WrxpkLTWudy4uoKjw0fCyoyFicwRz1Su5eQviJKAyhnLd+lGyAXgoinRBA== X-Received: by 2002:a17:902:8d98:: with SMTP id v24-v6mr3138632plo.250.1531861493602; Tue, 17 Jul 2018 14:04:53 -0700 (PDT) Received: from toddpoynor2.mtv.corp.google.com ([2620:0:1000:3701:7d29:cd13:d903:7908]) by smtp.gmail.com with ESMTPSA id m86-v6sm3361487pfi.47.2018.07.17.14.04.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 17 Jul 2018 14:04:52 -0700 (PDT) From: Todd Poynor To: Rob Springer , John Joseph , Ben Chan , Greg Kroah-Hartman Cc: Zhongze Hu , Simon Que , Dmitry Torokhov , Guenter Roeck , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, Todd Poynor Subject: [PATCH 07/32] staging: gasket: Return EBUSY on mapping create when already in use Date: Tue, 17 Jul 2018 13:56:47 -0700 Message-Id: <20180717205712.29495-8-toddpoynor@gmail.com> X-Mailer: git-send-email 2.18.0.203.gfac676dfb9-goog In-Reply-To: <20180717205712.29495-1-toddpoynor@gmail.com> References: <20180717205712.29495-1-toddpoynor@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Todd Poynor gasket_sysfs_create_mapping() return EBUSY if sysfs mapping already in use, as a more appropriate error code than the current return of EINVAL, which would indicate invalid parameters. Signed-off-by: Zhongze Hu Signed-off-by: Todd Poynor --- drivers/staging/gasket/gasket_sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/gasket/gasket_sysfs.c b/drivers/staging/gasket/gasket_sysfs.c index e3d770630961b..dd4d3aaa57e2f 100644 --- a/drivers/staging/gasket/gasket_sysfs.c +++ b/drivers/staging/gasket/gasket_sysfs.c @@ -194,7 +194,7 @@ int gasket_sysfs_create_mapping( "0x%p.", device); put_mapping(mapping); mutex_unlock(&function_mutex); - return -EINVAL; + return -EBUSY; } /* Find the first empty entry in the array. */ -- 2.18.0.203.gfac676dfb9-goog