Re: [PATCH net-next] net: ipa: avoid a bogus warning

From: Jakub Kicinski
Date: Sat Oct 31 2020 - 16:25:34 EST


On Sat, 31 Oct 2020 10:15:24 -0500 Alex Elder wrote:
> The previous commit added support for IPA having up to six source
> and destination resources. But currently nothing uses more than
> four. (Five of each are used in a newer version of the hardware.)
>
> I find that in one of my build environments the compiler complains
> about newly-added code in two spots. Inspection shows that the
> warnings have no merit, but this compiler does not recognize that.
>
> ipa_main.c:457:39: warning: array index 5 is past the end of the
> array (which contains 4 elements) [-Warray-bounds]
> (and the same warning at line 483)
>
> We can make this warning go away by changing the number of elements
> in the source and destination resource limit arrays--now rather than
> waiting until we need it to support the newer hardware. This change
> was coming soon anyway; make it now to get rid of the warning.
>
> Signed-off-by: Alex Elder <elder@xxxxxxxxxx>

Applied, thanks!