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Re: [Xen-devel] [PATCH 2/3] xen netback: add fault injection facility

On 20/04/18 14:52, staskins@xxxxxxxxxx wrote:
> On 04/20/18 13:25, Juergen Gross wrote:
>> On 20/04/18 12:47, Stanislav Kinsburskii wrote:
>>> +    for (fi = 0; fi < XENVIF_FI_MAX; fi++) {
>>> +        vfi->faults[fi] = xen_fi_dir_add(vfi->dir,
>>> +                xenvif_fi_names[fi]);
>> How does this work? xenvif_fi_names[] is an empty array and this is the
>> only reference to it. Who is allocating the memory for that array?
> Well, it works in the way one adds a var to enum (which is used as a key
> later) and a corresponding string into the array (which is used as a
> name for the fault directory in sysfs).

Then you should size the array via XENVIF_FI_MAX.


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