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From: Toralf Lund <toralf@procaptura.com>
To: linux-kernel@vger.kernel.org
Subject: Re: insmod segfault in pci_find_subsys()
Date: Tue, 29 Mar 2005 16:15:37 +0200	[thread overview]
Message-ID: <42496309.3080007@procaptura.com> (raw)
In-Reply-To: <20050318170709.GD14952@kroah.com>

Greg KH wrote:

>On Fri, Mar 18, 2005 at 10:12:05AM +0100, Toralf Lund wrote:
>  
>
>>Am I seeing an issue with the PCI functions here, or is it just that I 
>>fail to spot an obvious mistake in the module itself?
>>    
>>
>
>I think it's a problem in your code.  I built and ran the following
>example module just fine (based on your example, which wasn't the
>smallest or cleanest...), with no oops.  Does this code work for you?
>  
>
OK, I've finally been able to test this, and no, it does not work. 
insmod segfaults and the system log says

kernel: Unable to handle kernel paging request at virtual address 533e3762



>Oh, and the pci_find* functions are depreciated, do not use them, they
>are going away in the near future.  Please use the pci_get* functions
>instead.
>
>thanks,
>
>greg k-h
>
>-----------------
>#include <linux/pci.h>
>#include <linux/module.h>
>
>MODULE_LICENSE("GPL");
>
>	
>static void __exit exit(void)
>{  
>}
>
>static __init int init(void)
>{
>	struct pci_dev *dev;
> 
>	printk(KERN_DEBUG "Scanning all devices...\n");
> 
>	dev = NULL;
>	while ((dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, dev))) {
>		printk(KERN_DEBUG "Device %04hx:%04hx\n",
>			dev->vendor, dev->device);
>	}
>	return 0;
>}
>
>module_init(init);
>module_exit(exit);
>
>-
>To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
>the body of a message to majordomo@vger.kernel.org
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>  
>



  parent reply	other threads:[~2005-03-29 14:15 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-18  9:12 insmod segfault in pci_find_subsys() Toralf Lund
2005-03-18 17:07 ` Greg KH
2005-03-19 12:28   ` Toralf Lund
2005-03-29 14:15   ` Toralf Lund [this message]
2005-04-13  7:12     ` Greg KH
2005-04-13 11:00       ` Toralf Lund
2005-04-13 11:13         ` Arjan van de Ven
2005-04-13 11:49           ` Toralf Lund
2005-04-13 13:27             ` Sam Ravnborg
2005-04-18  7:20               ` Toralf Lund

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