From patchwork Fri Feb 21 07:38:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 230656 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 39862C35641 for ; Fri, 21 Feb 2020 08:43:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0085820722 for ; Fri, 21 Feb 2020 08:43:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582274599; bh=qj+b2RpW9TJz60O6E8Om1vFFC0f3M1Zglp4/l4ocLbg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ERJexT1ARS5pjm4srJ4ElUP01COApk8YH5xEDQ+j9BXyYoDTzVJwBnuqZpZUTM8Ey sWu+/VTX+bgIz7ci+1Ams3OWVKYpZr6h9V/6/UFG0nJlziTidNOCERc0hxUpSn8wSi IEm1QE8U6LpkASBpV1qDOol6MxHqWJiSeNU+/3Bo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729825AbgBUHxq (ORCPT ); Fri, 21 Feb 2020 02:53:46 -0500 Received: from mail.kernel.org ([198.145.29.99]:52122 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730120AbgBUHxn (ORCPT ); Fri, 21 Feb 2020 02:53:43 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9483E24653; Fri, 21 Feb 2020 07:53:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582271623; bh=qj+b2RpW9TJz60O6E8Om1vFFC0f3M1Zglp4/l4ocLbg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dHsQY5D9k/29RmsUCX84wHyYXf223YCq8EMeRNHUUD0vra8r4qTWDNG7hXaPCac5+ xgfJPqC7Ew/C+m4QAuL+oHKqnibOKfglJhnY83cytFoqxVL7S8nkkkucZbhrL+vaNH L0rGIQUgRarbQTu6/oDDDc3iizyh1qqLnUE7R9P4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jiewei Ke , Jason Gunthorpe , Sasha Levin Subject: [PATCH 5.5 198/399] RDMA/rxe: Fix error type of mmap_offset Date: Fri, 21 Feb 2020 08:38:43 +0100 Message-Id: <20200221072422.053151016@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200221072402.315346745@linuxfoundation.org> References: <20200221072402.315346745@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jiewei Ke [ Upstream commit 6ca18d8927d468c763571f78c9a7387a69ffa020 ] The type of mmap_offset should be u64 instead of int to match the type of mminfo.offset. If otherwise, after we create several thousands of CQs, it will run into overflow issues. Link: https://lore.kernel.org/r/20191227113613.5020-1-kejiewei.cn@gmail.com Signed-off-by: Jiewei Ke Reviewed-by: Jason Gunthorpe Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/sw/rxe/rxe_verbs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h index 95834206c80c3..92de39c4a7c1e 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.h +++ b/drivers/infiniband/sw/rxe/rxe_verbs.h @@ -408,7 +408,7 @@ struct rxe_dev { struct list_head pending_mmaps; spinlock_t mmap_offset_lock; /* guard mmap_offset */ - int mmap_offset; + u64 mmap_offset; atomic64_t stats_counters[RXE_NUM_OF_COUNTERS];