linux-kernel - [PATCH] ASoC: hdac_hdmi: remove always false condition

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Date:	Tue, 24 Nov 2015 16:42:26 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:	linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH] ASoC: hdac_hdmi: remove always false condition

hdac->num_nodes is unsigned int and can never be less than 0.

Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---

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.

 sound/soc/codecs/hdac_hdmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c
index 205f2c2..02109aa 100644
--- a/sound/soc/codecs/hdac_hdmi.c
+++ b/sound/soc/codecs/hdac_hdmi.c
@@ -415,7 +415,7 @@ static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev)
 	int cvt_nid = 0, pin_nid = 0;
 
 	hdac->num_nodes = snd_hdac_get_sub_nodes(hdac, hdac->afg, &nid);
-	if (!nid || hdac->num_nodes < 0) {
+	if (!nid) {
 		dev_warn(&hdac->dev, "HDMI: failed to get afg sub nodes\n");
 		return -EINVAL;
 	}
-- 
1.9.1

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