From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx48reqTgk/SXcsfPPL6VbObOICKVf0UQv0DZXXw8RohhwkFoDEhuOxl6gomUCDlrfOBU1yie ARC-Seal: i=1; a=rsa-sha256; t=1523399333; cv=none; d=google.com; s=arc-20160816; b=ax0SpZgcnMWt3vxy1PbFgBVdtqZ8dkzpGIV+7v+FvFw7lgEmbza+sLrDtz/J5WTxLL 4Vtk3WH3EKGCIEajm6eBunt03w/Us0vdRsdrgdzpn/7ZI/ytFSfJWLx/XvhV7Re+eXYd WswoximLnGScll2P/RPQqL+bX2ht145/CmoLS6m2GtkQU8HnEv3CYOEWUYPvwxZTkQsg x6IsHKW3ZKOy9oy8Zsf89AFulGGxtwpqpZ7uRhAQ/kKdqqS/l9uoZvkshnBsLKYyK5pa h7U/dPXqgBKVtnpNSKm+eFOW9DDcMfwJm3x5ojrkqPy216dzX9pZDdQSSdkaemVyBheq xoGQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=AVvBXRTVARfpq5CbvKsouwit6F2XPV9o9+M994NQPyU=; b=ysvQ4ArAvPUA7nxoxK0y345IKyZ/9bWSfty/W9qfg5ghEC1Uwks2AiFxiCqARbjUIS MpYntRB4AGN6EJx0k8a0H9ckXD2xG+bB641gx79V50eCkpdf2uixHyKAZ4mguGopRoj+ N0ibIA+THI+AuEqVoRzrRWpnpqZ9Jw9z/uxXOlarP1iJcJh1YdM5ZOB9opbwaFtIJCRD 7lOtdryR29mpBwN6+yzE7O/KZRpDetpyeAGXozpokB7G2vJ93/s7IAml4aF5HUIhQaqL H7SG8y3MC8u0iiG7/hxHR7+ak3CfGzdm7QxYzQoVUzYf7QLlUfp/tGtbNtybwz0uZbxp EPIQ== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jian Shen , Peng Li , "David S. Miller" , Sasha Levin Subject: [PATCH 4.15 069/168] net: hns3: Fix a loop index error of tqp statistics query Date: Wed, 11 Apr 2018 00:23:31 +0200 Message-Id: <20180410212803.132706603@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180410212800.144079021@linuxfoundation.org> References: <20180410212800.144079021@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1597399979145603129?= X-GMAIL-MSGID: =?utf-8?q?1597399979145603129?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jian Shen [ Upstream commit 94bfaafac9d2a3c0bcca00d01e38f7597b741799 ] An error loop index was used while querying statistics data of tqps, which may cause call trace. Fixes: 496d03e960ae ("net: hns3: Add Ethtool support to HNS3 driver") Signed-off-by: Jian Shen Signed-off-by: Peng Li Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c @@ -455,13 +455,13 @@ static u64 *hns3_get_stats_tqps(struct h struct hnae3_knic_private_info *kinfo = &handle->kinfo; struct hns3_enet_ring *ring; u8 *stat; - u32 i; + int i, j; /* get stats for Tx */ for (i = 0; i < kinfo->num_tqps; i++) { ring = nic_priv->ring_data[i].ring; - for (i = 0; i < HNS3_TXQ_STATS_COUNT; i++) { - stat = (u8 *)ring + hns3_txq_stats[i].stats_offset; + for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { + stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; *data++ = *(u64 *)stat; } } @@ -469,8 +469,8 @@ static u64 *hns3_get_stats_tqps(struct h /* get stats for Rx */ for (i = 0; i < kinfo->num_tqps; i++) { ring = nic_priv->ring_data[i + kinfo->num_tqps].ring; - for (i = 0; i < HNS3_RXQ_STATS_COUNT; i++) { - stat = (u8 *)ring + hns3_rxq_stats[i].stats_offset; + for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { + stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; *data++ = *(u64 *)stat; } }