From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 2C989C3B1A5 for ; Fri, 14 Feb 2020 16:52:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F049C2467B for ; Fri, 14 Feb 2020 16:52:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581699163; bh=h21jDjk2H0/a9rRsPntXF0nJgP2UuDLNmtc3OLrc6Vg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=qhjYG0w77Dy27/LHnJiO4nJ1sOL00ZIJXeNmPF3QiYetjldf5N7Ym+oYugfG/Vhud mEn7gTlKVoblThXRdrDDmu3YNzpXeeKH8/gje8GKPkPI92q5jsWxeqWr7SBEdLc2kD OxH3c5k1E+H9e4CMYJHHqSkWh8xt//IANQUhNluE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389111AbgBNQwd (ORCPT ); Fri, 14 Feb 2020 11:52:33 -0500 Received: from mail.kernel.org ([198.145.29.99]:52354 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404967AbgBNQTT (ORCPT ); Fri, 14 Feb 2020 11:19:19 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4C96424712; Fri, 14 Feb 2020 16:19:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581697159; bh=h21jDjk2H0/a9rRsPntXF0nJgP2UuDLNmtc3OLrc6Vg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qaXDtQQ5wHx6oL2+slWTbLouygXum8eyuNBXTggLUuX/PZncLmTsVBrJJbHgSIFR0 WgMFtoQ7tXGydgnpGgngTE49bDQzvVn2lYdf5GTP3hbKDKmPqkK2AVoEVmSKQUvccP fAS/AouyWNktyc0SJ1GL0Aq5DqJL9FXpV0QyQzgw= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jiewei Ke , Jason Gunthorpe , Sasha Levin , linux-rdma@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 096/186] RDMA/rxe: Fix error type of mmap_offset Date: Fri, 14 Feb 2020 11:15:45 -0500 Message-Id: <20200214161715.18113-96-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214161715.18113-1-sashal@kernel.org> References: <20200214161715.18113-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@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 d1cc89f6f2e33..46c8a66731e6c 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]; -- 2.20.1