Scott Thompson napsal(a):
> On Mon, 13 Aug 2007 16:17:29 -0400 Jiri Slaby <[email protected]>
> wrote:
>>> diff --git a/drivers/char/sx.c b/drivers/char/sx.c
>>> index 85a2328..30829ed 100644
>>> --- a/drivers/char/sx.c
>>> +++ b/drivers/char/sx.c
>>> @@ -2627,6 +2627,12 @@ static void __devinit fix_sx_pci(struct
>>> pci_dev *pdev, struct sx_board *board)
>>> pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &hwbase);
>>> hwbase &= PCI_BASE_ADDRESS_MEM_MASK;
>>> rebase = ioremap(hwbase, 0x80);
>>> + if (!rebase) {
>>> + printk(KERN_DEBUG
>>> + "sx:ioremap fail, unable to perform cntrl reg fix\n");
>>> + return;
>>> + }
>>> +
>> 1) this should be pci_iomap(pdev, 0, 0x80)
> The ioremap call was there before my patch and I'm just trying to
> audit ioremap calls to make sure that they are cleaned up and have
> their return codes checked. If you want me to take care of that
> "while I'm in the neighborhood", let me know, but trying to avoid
> too much scope creep on my audit to increase chances it actually
> gets included...
Yup, while you are at it, make yet another patch, which will convert this to
pci_iomap/unmap.
>
>> 2) KERN_DEBUG is inappropriate and wrap the string in the middle
>> and not in the
>> beginning
>
> Agree on the wordwrap, several artifacts were created on this
> patchset and this whole thing will be resubmitted through a
> different mail client.
Aha. Anyways, if it's more that 80 columns in width, split it into more lines.
> As for KERN_DEBUG, KERN_DEBUG is used in the function following
> this call as notification that this workaround was required. When
> I audit code as I am here I generally try to blend the patch in
> with the style and conventions of the code around it. If
> KERN_DEBUG is inappropriate on the subsequent call, both values
> should be changed.
Only a string, where you warn an user, that something went wrong and this and
over that won't work... KERN_DEBUG messages are usually NOT logged. I suggest
KERN_ERR for mapping failure and KERN_INFO for the message about the workaround
is being used.
--
Jiri Slaby ([email protected])
Faculty of Informatics, Masaryk University
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
