linux-kernel - [PATCH 5/5] HSI: ssi-protocol: clear carrier flag on open

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sun, 31 Jan 2016 02:19:47 +0100
From:	Sebastian Reichel <sre@...nel.org>
To:	Sebastian Reichel <sre@...nel.org>,
	Tony Lindgren <tony@...mide.com>,
	Benoît Cousson <bcousson@...libre.com>,
	Aaro Koskinen <aaro.koskinen@....fi>
Cc:	Pali Rohár <pali.rohar@...il.com>,
	Pavel Machek <pavel@....cz>, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 5/5] HSI: ssi-protocol: clear carrier flag on open

If the interface is just being enabled, the modem is not
yet ready to be used, so clear the carrier flag (which is
e.g. set by ifconfig and ofono).

Signed-off-by: Sebastian Reichel <sre@...nel.org>
---
 drivers/hsi/clients/ssi_protocol.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/hsi/clients/ssi_protocol.c b/drivers/hsi/clients/ssi_protocol.c
index 3fb5b98b2c63..264f81cfa095 100644
--- a/drivers/hsi/clients/ssi_protocol.c
+++ b/drivers/hsi/clients/ssi_protocol.c
@@ -916,6 +916,8 @@ static int ssip_pn_open(struct net_device *dev)
 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);
 	int err;
 
+	netif_carrier_off(ssi->netdev);
+
 	err = hsi_claim_port(cl, 1);
 	if (err < 0) {
 		dev_err(&cl->device, "SSI port already claimed\n");
-- 
2.7.0.rc3