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From: Alan Cox <alan@linux.intel.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Kay Sievers <kay.sievers@vrfy.org>,
	Greg Kroah-Hartman <gregkh@suse.de>,
	Arnd Bergmann <arnd@arndb.de>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: BUG: NULL pointer deref in tty port / uart
Date: Wed, 18 May 2011 15:50:33 +0100	[thread overview]
Message-ID: <20110518155033.2773b323@bob.linux.org.uk> (raw)
In-Reply-To: <20110518144429.GC2011@jolsa.brq.redhat.com>

> I think it's the 
> 
> uart_update_termios in uart_dtr_rts (drivers/tty/serial/serial_core.c)
> 
> called path:
> 
> tty_port_block_til_ready
> 	tty_port_raise_dtr_rts
> 		uart_dtr_rts
> 			uart_update_termios

Ah that would explain why I can't find and dup it - it isn't found in
the current -next tree.


c7d7abff40c27f82fe78b1091ab3fad69b2546f9 (and thereafter)

Jiri Slaby fixed it in sorting out uart_startup

I guess these should now get tagged for -stable.


  reply	other threads:[~2011-05-18 15:04 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-17 23:12 BUG: NULL pointer deref in tty port / uart Frederic Weisbecker
2011-05-17 23:44 ` Alan Cox
2011-05-18 14:26   ` Jiri Olsa
2011-05-18 14:36     ` Alan Cox
2011-05-18 14:44       ` Jiri Olsa
2011-05-18 14:50         ` Alan Cox [this message]
2011-05-18 19:42           ` Greg KH
2011-05-19 11:19             ` Jiri Olsa
2011-05-19 12:51               ` Greg KH
2011-05-19 13:58                 ` Jiri Olsa
2011-05-19 14:07                   ` Frederic Weisbecker

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