On 07/02/17 19:36, Ian Jackson wrote:
> Juergen Gross writes ("[PATCH] libxl: don't segfault when creating domain
> with invalid pvusb device"):
>> Creating a domain with an invalid controller specification for a pvusb
>> device will currently segfault.
>>
>> Avoid this by bailing out early in case of a mandatory xenstore path
>> not existing.
>
> This should be done by adding a test of tmp for NULL. libxl__xs_read
> does no logging so is not really an improvement.
>
> If you felt like inventing libxl__xs_read_must or something (maybe Wei
> has a suggestion for a better name) that calls ENOENT a failure
> instead, I'd be happy with that.
Okay. I think I'll name it libxl__xs_read_mandatory().
Juergen
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