From patchwork Fri Feb 21 07:39:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 230754 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 D5A9BC35641 for ; Fri, 21 Feb 2020 08:34:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A244820578 for ; Fri, 21 Feb 2020 08:34:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582274093; bh=J/hOnjw0i23XoypiLhJtK1LFTicuZDTfM0VzYi6zdjY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=h9BliXT8j/Uhznr4Uwqvx5rQh8Qye0wHnEVwXqYDUyT5wJ28mDmjmNkhoO7R55NzK tpiNjbBrk49YullFve6DrWcPGBxvt7/4B9nhlq6CyJ5VsR82qnjNHhqcEJsLqX16YZ o+mR5MBWdWxvXKzZrw7Z8QTl6DgmltcxukWUT/iQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731641AbgBUIIk (ORCPT ); Fri, 21 Feb 2020 03:08:40 -0500 Received: from mail.kernel.org ([198.145.29.99]:43264 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732229AbgBUIIk (ORCPT ); Fri, 21 Feb 2020 03:08:40 -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 2536020801; Fri, 21 Feb 2020 08:08:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582272519; bh=J/hOnjw0i23XoypiLhJtK1LFTicuZDTfM0VzYi6zdjY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DYHLvVo/6Gzdi9317htt7Xpv2afqjGqZO0gOyOZI+ivyW19mBLa47AYxH2d2nbZzu 8DV019Aa/k2IeXqEz9aPhdVqBWyDx39qTQVKPKmrGv5F2MSoEkilMPclaZo1pDLkjP pWejxlEEq/EBLUD0e1vl3tZuSoa5GLw6iQKiK2rM= 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 5.4 172/344] RDMA/rxe: Fix error type of mmap_offset Date: Fri, 21 Feb 2020 08:39:31 +0100 Message-Id: <20200221072404.563702287@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200221072349.335551332@linuxfoundation.org> References: <20200221072349.335551332@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 5c4b2239129cc..b0a02d4c8b933 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.h +++ b/drivers/infiniband/sw/rxe/rxe_verbs.h @@ -407,7 +407,7 @@ 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];