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=-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=ham 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 7D253C433E0 for ; Mon, 18 May 2020 18:27:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5BEDE20657 for ; Mon, 18 May 2020 18:27:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589826443; bh=DA2Riofna2a6LVHWbQc8euvuKiv8rA6wkYpFEhamuDo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=QqJMfYmubqlcF+juB6LLNWo+BhA0nz9WpySBuYJBsquxCSverrcXnChTgtxf2X/8I mVJlBGwIF3mTR99IR1dEVB9EKAmJg7Zm45I87LOc4pzYsXFOA/v2S3Ml/BKZ7rxcgK 7QjeNkPkMHMTcM2ruKW0gRI889NdjsYo74veRTrY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730248AbgERS1W (ORCPT ); Mon, 18 May 2020 14:27:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:41974 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729072AbgERRn6 (ORCPT ); Mon, 18 May 2020 13:43:58 -0400 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 CB56420835; Mon, 18 May 2020 17:43:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589823838; bh=DA2Riofna2a6LVHWbQc8euvuKiv8rA6wkYpFEhamuDo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b5kWiPBjkB00U0kE+0982zS/Rrja2BQfKTQs+cfqOrbdknaxriNYMgo3VyoYmk6p0 siaDP69X86hMf3pVw8NL2U/BcLbIr2gXjJzs2aREI3lRB+GHBmp78y+UpB5X8virvt uEUSE1L6b2WvfsbIsg9BzLIDKtJLN3zqtqr3wjgo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Carpenter , Shiraz Saleem , Jason Gunthorpe , Sasha Levin Subject: [PATCH 4.9 55/90] i40iw: Fix error handling in i40iw_manage_arp_cache() Date: Mon, 18 May 2020 19:36:33 +0200 Message-Id: <20200518173502.315554109@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200518173450.930655662@linuxfoundation.org> References: <20200518173450.930655662@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dan Carpenter [ Upstream commit 37e31d2d26a4124506c24e95434e9baf3405a23a ] The i40iw_arp_table() function can return -EOVERFLOW if i40iw_alloc_resource() fails so we can't just test for "== -1". Fixes: 4e9042e647ff ("i40iw: add hw and utils files") Link: https://lore.kernel.org/r/20200422092211.GA195357@mwanda Signed-off-by: Dan Carpenter Acked-by: Shiraz Saleem Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/i40iw/i40iw_hw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/i40iw/i40iw_hw.c b/drivers/infiniband/hw/i40iw/i40iw_hw.c index 0c92a40b3e869..e4867d6de7893 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_hw.c +++ b/drivers/infiniband/hw/i40iw/i40iw_hw.c @@ -479,7 +479,7 @@ void i40iw_manage_arp_cache(struct i40iw_device *iwdev, int arp_index; arp_index = i40iw_arp_table(iwdev, ip_addr, ipv4, mac_addr, action); - if (arp_index == -1) + if (arp_index < 0) return; cqp_request = i40iw_get_cqp_request(&iwdev->cqp, false); if (!cqp_request) -- 2.20.1