Re: [PATCH][next] ASoC: rsnd: check for zero node count

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On Wed, Jun 02, 2021 at 11:37:22AM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> The call to rsnd_node_count can potentially return a zero node count
> so add a check for this corner case. (Note that the two other calls
> to rsnd_node_count in the kernel perform this check, so I think it
> justifies adding this). This avoids using a zero nr in a devm_kcalloc
> call.

I don't have a problem with the patch, but really the code works fine
as is.  A better commit message is:

  Most callers of_get_child_count() check that "nr" is non-zero so it
  causes a static checker warning when we don't do that here.  This
  doesn't cause a problem or a crash, but having zero SSUIes (What's
  plural of ssui?) doesn't make sense either so let's add a check.

regards,
dan carpenter




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