From patchwork Wed Apr 20 15:09:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juergen Gross X-Patchwork-Id: 12820444 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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 A4B0CC43219 for ; Wed, 20 Apr 2022 15:10:17 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.309352.525533 (Exim 4.92) (envelope-from ) id 1nhBy0-0004rc-ND; Wed, 20 Apr 2022 15:10:04 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 309352.525533; Wed, 20 Apr 2022 15:10:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nhBy0-0004pv-Dn; Wed, 20 Apr 2022 15:10:04 +0000 Received: by outflank-mailman (input) for mailman id 309352; Wed, 20 Apr 2022 15:10:02 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nhBxy-0003l9-6f for xen-devel@lists.xenproject.org; Wed, 20 Apr 2022 15:10:02 +0000 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id f21b4112-c0bb-11ec-8fbf-03012f2f19d4; Wed, 20 Apr 2022 17:09:59 +0200 (CEST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 6714C2112B; Wed, 20 Apr 2022 15:09:59 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 3E37713AD5; Wed, 20 Apr 2022 15:09:59 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id SGcBDkciYGJILQAAMHmgww (envelope-from ); Wed, 20 Apr 2022 15:09:59 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: f21b4112-c0bb-11ec-8fbf-03012f2f19d4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1650467399; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=P9m9SWnGsWjRx9ANR0XSy+QMtPG0e3QupiRUzE89rSY=; b=FqRfpSvFwPYNTbSEb+BczfXaG/PTZ/jawRTYZIcGfRVWCFx/hIuhAVbgCyF6TW7nx10JYF FhE/gNjXdum/2VeRLcck0wNBZhBe41TwRXa/Uxr/OaE4aGv16cRpLtTDb3XaaCaQsxUm2+ ubqyrMN6DY0Ttw/z5+7IZWwzUAbuaTo= From: Juergen Gross To: xen-devel@lists.xenproject.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Juergen Gross , Greg Kroah-Hartman Subject: [PATCH 04/18] xen/usb: switch xen-hcd to use INVALID_GRANT_REF Date: Wed, 20 Apr 2022 17:09:28 +0200 Message-Id: <20220420150942.31235-5-jgross@suse.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220420150942.31235-1-jgross@suse.com> References: <20220420150942.31235-1-jgross@suse.com> MIME-Version: 1.0 Instead of using a private macro for an invalid grant reference use the common one. Signed-off-by: Juergen Gross Acked-by: Greg Kroah-Hartman --- drivers/usb/host/xen-hcd.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/usb/host/xen-hcd.c b/drivers/usb/host/xen-hcd.c index 3e487baf8422..9cbc7c2dab02 100644 --- a/drivers/usb/host/xen-hcd.c +++ b/drivers/usb/host/xen-hcd.c @@ -87,8 +87,6 @@ struct xenhcd_info { bool error; }; -#define GRANT_INVALID_REF 0 - #define XENHCD_RING_JIFFIES (HZ/200) #define XENHCD_SCAN_JIFFIES 1 @@ -1100,17 +1098,17 @@ static void xenhcd_destroy_rings(struct xenhcd_info *info) unbind_from_irqhandler(info->irq, info); info->irq = 0; - if (info->urb_ring_ref != GRANT_INVALID_REF) { + if (info->urb_ring_ref != INVALID_GRANT_REF) { gnttab_end_foreign_access(info->urb_ring_ref, (unsigned long)info->urb_ring.sring); - info->urb_ring_ref = GRANT_INVALID_REF; + info->urb_ring_ref = INVALID_GRANT_REF; } info->urb_ring.sring = NULL; - if (info->conn_ring_ref != GRANT_INVALID_REF) { + if (info->conn_ring_ref != INVALID_GRANT_REF) { gnttab_end_foreign_access(info->conn_ring_ref, (unsigned long)info->conn_ring.sring); - info->conn_ring_ref = GRANT_INVALID_REF; + info->conn_ring_ref = INVALID_GRANT_REF; } info->conn_ring.sring = NULL; } @@ -1123,8 +1121,8 @@ static int xenhcd_setup_rings(struct xenbus_device *dev, grant_ref_t gref; int err; - info->urb_ring_ref = GRANT_INVALID_REF; - info->conn_ring_ref = GRANT_INVALID_REF; + info->urb_ring_ref = INVALID_GRANT_REF; + info->conn_ring_ref = INVALID_GRANT_REF; urb_sring = (struct xenusb_urb_sring *)get_zeroed_page( GFP_NOIO | __GFP_HIGH);