linux-kernel - Re: [PATCH] Fix data loss in cdc-acm

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:	Mon, 27 Jul 2015 12:00:55 +0200
From:	Peter Stuge <peter@...ge.se>
To:	Sven Brauch <mail@...nbrauch.de>
Cc:	Peter Hurley <peter@...leysoftware.com>,
	Oliver Neukum <oneukum@...e.com>,
	Johan Hovold <johan@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Toby Gray <toby.gray@...lvnc.com>, linux-usb@...r.kernel.org,
	linux-serial@...r.kernel.org
Subject: Re: [PATCH] Fix data loss in cdc-acm

Sven Brauch wrote:
> I don't make any other changes to the default settings. To be honest,
> I'm not sure in which mode it is operating then (I was assuming raw, but
> I might be wrong?).

You should explicitly set a mode if you need a particular mode,
otherwise the port might be in another mode. This sets raw. Add
error checking.

struct termios t;

tcgetattr(fd, &t);
cfmakeraw(&t);
cfsetspeed(&t, B115200);
tcsetattr(fd, 0, &t);


//Peter
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/