Message ID | 20191114184507.18937-5-richardcochran@gmail.com |
---|---|
State | Awaiting Upstream |
Headers | show
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[73.241.114.122]) by smtp.gmail.com with ESMTPSA id 23sm6819507pgw.8.2019.11.14.10.45.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Nov 2019 10:45:14 -0800 (PST) From: Richard Cochran <richardcochran@gmail.com> To: netdev@vger.kernel.org Date: Thu, 14 Nov 2019 10:44:58 -0800 Message-Id: <20191114184507.18937-5-richardcochran@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [Intel-wired-lan] [PATCH net 04/13] dp83640: reject unsupported external timestamp flags X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development <intel-wired-lan.osuosl.org> List-Unsubscribe: <https://lists.osuosl.org/mailman/options/intel-wired-lan>, <mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe> List-Archive: <http://lists.osuosl.org/pipermail/intel-wired-lan/> List-Post: <mailto:intel-wired-lan@osuosl.org> List-Help: <mailto:intel-wired-lan-request@osuosl.org?subject=help> List-Subscribe: <https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, <mailto:intel-wired-lan-request@osuosl.org?subject=subscribe> Cc: Christopher Hall <christopher.s.hall@intel.com>, Brandon Streiff <brandon.streiff@ni.com>, Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>, Felipe Balbi <felipe.balbi@linux.intel.com>, Eugenia Emantayev <eugenia@mellanox.com>, Feras Daoud <ferasda@mellanox.com>, intel-wired-lan@lists.osuosl.org, David Miller <davem@davemloft.net>, Stefan Sorensen <stefan.sorensen@spectralink.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" <intel-wired-lan-bounces@osuosl.org> |
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ptp: Validate the ancillary ioctl flags more carefully.
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diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 04ad77758920..2781b0e2d947 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -469,6 +469,11 @@ static int ptp_dp83640_enable(struct ptp_clock_info *ptp, switch (rq->type) { case PTP_CLK_REQ_EXTTS: + /* Reject requests with unsupported flags */ + if (rq->extts.flags & ~(PTP_ENABLE_FEATURE | + PTP_RISING_EDGE | + PTP_FALLING_EDGE)) + return -EOPNOTSUPP; index = rq->extts.index; if (index >= N_EXT_TS) return -EINVAL;