On Tue, Mar 13, 2018 at 8:54 PM, Gary R Hook <[email protected]> wrote:
> On 03/13/2018 12:20 PM, Andy Shevchenko wrote:
>>> + } else if (obuf[0] == '0' && obuf[1] == 'x') {
>>> + n = sscanf(obuf, "%x", &amd_iommu_devid);
>>> + } else {
>>> + n = sscanf(obuf, "%d", &amd_iommu_devid);
>>> + }
>> kstrtoint() ?
> I see various mechanisms for this sort of thing, and simply chose one.
> Am happy to use whatever is preferred.
sscanf() has an enormous overhead for cases like this.
simple
ret = kstrtoint();
if (ret)
... do error handling ...
--
With Best Regards,
Andy Shevchenko
_______________________________________________
iommu mailing list
[email protected]
https://lists.linuxfoundation.org/mailman/listinfo/iommu
