[alsa-devel] [PATCH] ASoC: hdac_hdmi: remove always false condition

Mark Brown broonie at kernel.org
Wed Nov 25 13:36:36 CET 2015


On Tue, Nov 24, 2015 at 04:42:26PM +0530, Sudip Mukherjee wrote:
> hdac->num_nodes is unsigned int and can never be less than 0.

> Or, maybe, another way can be to declare num_nodes as int. Then this
> test makes sense and also snd_hdac_get_sub_nodes() is returning an int.

Yes, that's a better fix:

>  	hdac->num_nodes = snd_hdac_get_sub_nodes(hdac, hdac->afg, &nid);
> -	if (!nid || hdac->num_nodes < 0) {
> +	if (!nid) {

it's clear that we're looking for an error code on failure here.
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