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] [day] [month] [year] [list]
Message-ID: <46535F56.1010009@gmail.com>
Date:	Tue, 22 May 2007 23:23:34 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	Simon Arlott <simon@...e.lp0.eu>
CC:	Matthias Kaehlcke <matthias.kaehlcke@...il.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: use mutex instead of semaphore in RocketPort driver

Simon Arlott napsal(a):
> On 22/05/07 21:06, Matthias Kaehlcke wrote:
>> would the following resolve the problem?
>>
>> if(mutex_lock_interruptible(&info->write_mtx))         return
>> -ERESTARTSYS
>>
>> thanks for your comments
>>
> 
> No. At least one user of tty_operations/tty_driver's write function
> doesn't check the return value so it would never be retried, mutex_lock
> should be used instead.

Who? There are some drivers that returns ERESTARTSYS from write function.

regards,
-- 
http://www.fi.muni.cz/~xslaby/            Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
 B674 9967 0407 CE62 ACC8  22A0 32CC 55C3 39D4 7A7E
-
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ