linux-kernel - Re: crash in aty128_set_lcd

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Message-ID: <20060716165004.GA16369@suse.de>
Date:	Sun, 16 Jul 2006 18:50:04 +0200
From:	Olaf Hering <olh@...e.de>
To:	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org
Subject: Re: crash in aty128_set_lcd_enable on PowerBook

 On Sun, Jul 16, Olaf Hering wrote:

> 
> Current Linus tree crashes in aty128_set_lcd_enable() because par->pdev
> is NULL. This happens since at least a week. Call trace is:
> 
> aty128_set_lcd_enable
> aty128fb_set_par
> fbcon_init
> visual_init
> take_over_console
> fbcon_takeover
> notifier_call_chain
> blocking_notifier_call_chain
> register_framebuffer
> aty128fb_probe

aty128_init calls register_framebuffer() before it assigns pdev.

   2028         if (register_framebuffer(info) < 0)
   2029                 return 0;
   2030 
   2031         par->pm_reg = pci_find_capability(pdev, PCI_CAP_ID_PM);
   2032         par->pdev = pdev;
   2033         par->asleep = 0;
   2034         par->lock_blank = 0;


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