Re: [Qemu-devel] [PATCH] xen_disk: convert discard input to byte ranges

[Olaf Hering]

On Tue, Nov 22, Eric Blake wrote:

> if (sec_start + sec_count < sec_count ||
>     sec_start > (INT64_MAX >> BDRV_SECTOR_BITS) - sec_count) {
>     return false;
> }

My point was: how does this handle sec_start=0,sec_count=UINT64_MAX or
sec_start=INT64_MAX,sec_count=INT64_MAX? For me this gets past the if().

Olaf

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