From patchwork Mon Apr 16 12:12:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 10342837 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3010560548 for ; Mon, 16 Apr 2018 12:12:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 201C3286B5 for ; Mon, 16 Apr 2018 12:12:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 14E6F286B8; Mon, 16 Apr 2018 12:12:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7C332286B5 for ; Mon, 16 Apr 2018 12:12:29 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 0687C2673EF; Mon, 16 Apr 2018 14:12:18 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 649F92673C4; Mon, 16 Apr 2018 14:12:12 +0200 (CEST) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id 0B0702673CB for ; Mon, 16 Apr 2018 14:12:09 +0200 (CEST) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id AF953AEF9 for ; Mon, 16 Apr 2018 12:12:09 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Date: Mon, 16 Apr 2018 14:12:05 +0200 Message-Id: <20180416121206.27131-2-tiwai@suse.de> X-Mailer: git-send-email 2.16.3 In-Reply-To: <20180416121206.27131-1-tiwai@suse.de> References: <20180416121206.27131-1-tiwai@suse.de> Subject: [alsa-devel] [PATCH 1/2] ALSA: cmipci: Allocate with GFP_KERNEL instead of GFP_ATOMIC X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP save_mixer_state() is called in a sleepable context, so it's safe to allocate with GFP_KERNEL instead of the current GFP_ATOMIC. The GFP_ATOMIC usage must have been based on an incorrect assumption in the very old code base. Signed-off-by: Takashi Iwai --- sound/pci/cmipci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index 26a657870664..452cc79b44af 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -1139,7 +1139,7 @@ static int save_mixer_state(struct cmipci *cm) struct snd_ctl_elem_value *val; unsigned int i; - val = kmalloc(sizeof(*val), GFP_ATOMIC); + val = kmalloc(sizeof(*val), GFP_KERNEL); if (!val) return -ENOMEM; for (i = 0; i < CM_SAVED_MIXERS; i++) {