From patchwork Mon Nov 16 14:57:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11909493 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 DD1BE138B for ; Mon, 16 Nov 2020 15:11:24 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A1C13206B7 for ; Mon, 16 Nov 2020 15:11:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="YOFzGbUV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1C13206B7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.28118.56981 (Exim 4.92) (envelope-from ) id 1keg98-0002o5-LX; Mon, 16 Nov 2020 15:10:22 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 28118.56981; Mon, 16 Nov 2020 15:10:22 +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" Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1keg97-0002m3-4i; Mon, 16 Nov 2020 15:10:21 +0000 Received: by outflank-mailman (input) for mailman id 28118; Mon, 16 Nov 2020 15:10:13 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1keg2L-0006ni-94 for xen-devel@lists.xenproject.org; Mon, 16 Nov 2020 15:03:21 +0000 Received: from casper.infradead.org (unknown [2001:8b0:10b:1236::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id e4347489-f748-45ea-af7e-05d83ce6f9d0; Mon, 16 Nov 2020 14:59:38 +0000 (UTC) Received: from [2001:4bb8:180:6600:255b:7def:a93:4a09] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kefyX-00044O-9l; Mon, 16 Nov 2020 14:59:25 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1keg2L-0006ni-94 for xen-devel@lists.xenproject.org; Mon, 16 Nov 2020 15:03:21 +0000 X-Inumbo-ID: e4347489-f748-45ea-af7e-05d83ce6f9d0 Received: from casper.infradead.org (unknown [2001:8b0:10b:1236::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id e4347489-f748-45ea-af7e-05d83ce6f9d0; Mon, 16 Nov 2020 14:59:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=JcB9e14ZTBoVWi3xdlC8mpSR3JW9dN3IR752p30j0qE=; b=YOFzGbUV9VEtyNxwp7qzlkBkkA Xn0oawKxqvp0rAIqeYWfpnGW5iMkDHaT9Q19LnRvvfRleFF+dEeV1rIXFrxzZ6V3OKsv1gqggDose CZ8HXwPH00Ft2bAKbkVkNVOZSwCoCf+BbjKAUSbeaDWhW2TFIaXsT/mf0vQ14ewbGqO18nmazvj5g b1Wy0xuDKhqpZX+ptswIwNRpIl/sRXy2DRT6yF/1ufD4XI4Nw45co8Yphscy9XmWqZZmCKt0hG1sl 9Nlddjx5eT+Hbi58Z8JKvsvZh3X28RVFCimEe1Pj+dy6gOSZ5ekmYcmi5bYlS8agcooKnl5AoCpPZ e88oTXSg==; Received: from [2001:4bb8:180:6600:255b:7def:a93:4a09] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kefyX-00044O-9l; Mon, 16 Nov 2020 14:59:25 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Justin Sanders , Josef Bacik , Ilya Dryomov , Jack Wang , "Michael S. Tsirkin" , Jason Wang , Paolo Bonzini , Stefan Hajnoczi , Konrad Rzeszutek Wilk , =?utf-8?q?Roger_Pau_Monn?= =?utf-8?q?=C3=A9?= , Minchan Kim , Mike Snitzer , Song Liu , "Martin K. Petersen" , dm-devel@redhat.com, linux-block@vger.kernel.org, drbd-dev@lists.linbit.com, nbd@other.debian.org, ceph-devel@vger.kernel.org, xen-devel@lists.xenproject.org, linux-raid@vger.kernel.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 53/78] blk-cgroup: fix a hd_struct leak in blkcg_fill_root_iostats Date: Mon, 16 Nov 2020 15:57:44 +0100 Message-Id: <20201116145809.410558-54-hch@lst.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201116145809.410558-1-hch@lst.de> References: <20201116145809.410558-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html disk_get_part needs to be paired with a disk_put_part. Fixes: ef45fe470e1 ("blk-cgroup: show global disk stats in root cgroup io.stat") Signed-off-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- block/blk-cgroup.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index c68bdf58c9a6e1..54fbe1e80cc41a 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -849,6 +849,7 @@ static void blkcg_fill_root_iostats(void) blkg_iostat_set(&blkg->iostat.cur, &tmp); u64_stats_update_end(&blkg->iostat.sync); } + disk_put_part(part); } }