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Date:   Sat, 31 Oct 2020 13:25:31 -0700
From:   Jakub Kicinski <>
To:     Alex Elder <>
Subject: Re: [PATCH net-next] net: ipa: avoid a bogus warning

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  (Five of each are used in a newer version of the hardware.)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 <>

Applied, thanks!

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