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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 7EA89C433DB for ; Mon, 18 Jan 2021 19:27:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 44509229F0 for ; Mon, 18 Jan 2021 19:27:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437342AbhART1l (ORCPT ); Mon, 18 Jan 2021 14:27:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:34126 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390428AbhARLiM (ORCPT ); Mon, 18 Jan 2021 06:38:12 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5E5AE222BB; Mon, 18 Jan 2021 11:36:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1610969812; bh=LsQVsncU5STLMQtFu4Ldhy7w1YbLiSPXSqe9RZqdxCM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bZ81jSTrM7XvLc5+cIOLsiNLBqrxrH5SE6BsF53GtcXH0l0qbleauUTtjsjbJo4lZ CPYLf+0odojURvBrD88lh31h6jnP0p3APelQBHIRGCkxkLLQqikgjw/nGp9EJrJjoh st8jPrvCkvNUTdRCH90EQo1LxrI877G8Q0uLdrDc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hans Petter Selasky , Mark Bloch , Leon Romanovsky , Jason Gunthorpe Subject: [PATCH 4.19 35/43] RDMA/mlx5: Fix wrong free of blue flame register on error Date: Mon, 18 Jan 2021 12:34:58 +0100 Message-Id: <20210118113336.649349284@linuxfoundation.org> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210118113334.966227881@linuxfoundation.org> References: <20210118113334.966227881@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mark Bloch commit 1c3aa6bd0b823105c2030af85d92d158e815d669 upstream. If the allocation of the fast path blue flame register fails, the driver should free the regular blue flame register allocated a statement above, not the one that it just failed to allocate. Fixes: 16c1975f1032 ("IB/mlx5: Create profile infrastructure to add and remove stages") Link: https://lore.kernel.org/r/20210113121703.559778-6-leon@kernel.org Reported-by: Hans Petter Selasky Signed-off-by: Mark Bloch Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/hw/mlx5/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -6094,7 +6094,7 @@ int mlx5_ib_stage_bfrag_init(struct mlx5 err = mlx5_alloc_bfreg(dev->mdev, &dev->fp_bfreg, false, true); if (err) - mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg); + mlx5_free_bfreg(dev->mdev, &dev->bfreg); return err; }