From patchwork Sun Nov 13 16:35:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13041609 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9BE08C4332F for ; Sun, 13 Nov 2022 16:37:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=tLb5X5PQ0Z4vSVIGYPCMj+uY1x2rKBFFWF6WG5LqKYg=; b=VOFiGmuBv56d3Z aEPB63MRKccomwS/k2F8qZIYA6Bn7Tmzi6zXYo34JiHvijb/OsTqD3AxCibLV0ehtzNA2kqVmY/H4 AaZJVPQ5twD9bVdRPEgOQq36L2ew0DoEVuLz3k6pR+PngxHji87cOa4ivpJRhHdviMj0etg/vATMt HKhQLjsmbIFPUmdACTVVX3yPCht57CAUPCtkZ6pzyZOQA9cHtlZE06H59NcdJYkixXc/mMWzLIvwU e5jv+9DafOnuZxvR6XLQa2/oeJpqK4ywOC82q6eCFbTFhNgmKE3RmM7uRjH+5OS1hYtRey4xOtXyB tVAQF0uSOwva4prbR9tw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouFyC-00CLpj-0m; Sun, 13 Nov 2022 16:36:32 +0000 Received: from 213-225-8-167.nat.highway.a1.net ([213.225.8.167] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouFxi-00CLX8-TZ; Sun, 13 Nov 2022 16:36:03 +0000 From: Christoph Hellwig To: Dennis Dalessandro , Mauro Carvalho Chehab , Alexandra Winter , Wenjia Zhang , Marek Szyprowski , Jaroslav Kysela , Takashi Iwai , Russell King , Robin Murphy Cc: linux-arm-kernel@lists.infradead.org, linux-rdma@vger.kernel.org, iommu@lists.linux.dev, linux-media@vger.kernel.org, netdev@vger.kernel.org, linux-s390@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH 5/7] s390/ism: don't pass bogus GFP_ flags to dma_alloc_coherent Date: Sun, 13 Nov 2022 17:35:33 +0100 Message-Id: <20221113163535.884299-6-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221113163535.884299-1-hch@lst.de> References: <20221113163535.884299-1-hch@lst.de> MIME-Version: 1.0 X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org dma_alloc_coherent is an opaque allocator that only uses the GFP_ flags for allocation context control. Don't pass __GFP_COMP which makes no sense for an allocation that can't in any way be converted to a page pointer. Signed-off-by: Christoph Hellwig Acked-by: Wenjia Zhang --- drivers/s390/net/ism_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c index d34bb6ec1490f..dfd401d9e3623 100644 --- a/drivers/s390/net/ism_drv.c +++ b/drivers/s390/net/ism_drv.c @@ -243,7 +243,8 @@ static int ism_alloc_dmb(struct ism_dev *ism, struct smcd_dmb *dmb) dmb->cpu_addr = dma_alloc_coherent(&ism->pdev->dev, dmb->dmb_len, &dmb->dma_addr, - GFP_KERNEL | __GFP_NOWARN | __GFP_NOMEMALLOC | __GFP_COMP | __GFP_NORETRY); + GFP_KERNEL | __GFP_NOWARN | + __GFP_NOMEMALLOC | __GFP_NORETRY); if (!dmb->cpu_addr) clear_bit(dmb->sba_idx, ism->sba_bitmap);