linux-kernel - [PATCH] wcd9335: Remove unnecessary null checks in wcd9335_set_channel

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Date:   Tue, 29 Jan 2019 14:48:47 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     Vinod Koul <vkoul@...nel.org>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org,
        Nathan Chancellor <natechancellor@...il.com>
Subject: [PATCH] wcd9335: Remove unnecessary null checks in wcd9335_set_channel_map

Clang warns:

sound/soc/codecs/wcd9335.c:2004:11: warning: address of array
'wcd->rx_chs' will always evaluate to 'true' [-Wpointer-bool-conversion]
        if (wcd->rx_chs) {
        ~~  ~~~~~^~~~~~
sound/soc/codecs/wcd9335.c:2012:11: warning: address of array
'wcd->tx_chs' will always evaluate to 'true' [-Wpointer-bool-conversion]
        if (wcd->tx_chs) {
        ~~  ~~~~~^~~~~~
2 warnings generated.

Fixes: 20aedafdf492 ("ASoC: wcd9335: add support to wcd9335 codec")
Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
---
 sound/soc/codecs/wcd9335.c | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/sound/soc/codecs/wcd9335.c b/sound/soc/codecs/wcd9335.c
index 3878187bb512..981f88a5f615 100644
--- a/sound/soc/codecs/wcd9335.c
+++ b/sound/soc/codecs/wcd9335.c
@@ -2001,20 +2001,16 @@ static int wcd9335_set_channel_map(struct snd_soc_dai *dai,
 		return -EINVAL;
 	}
 
-	if (wcd->rx_chs) {
-		wcd->num_rx_port = rx_num;
-		for (i = 0; i < rx_num; i++) {
-			wcd->rx_chs[i].ch_num = rx_slot[i];
-			INIT_LIST_HEAD(&wcd->rx_chs[i].list);
-		}
+	wcd->num_rx_port = rx_num;
+	for (i = 0; i < rx_num; i++) {
+		wcd->rx_chs[i].ch_num = rx_slot[i];
+		INIT_LIST_HEAD(&wcd->rx_chs[i].list);
 	}
 
-	if (wcd->tx_chs) {
-		wcd->num_tx_port = tx_num;
-		for (i = 0; i < tx_num; i++) {
-			wcd->tx_chs[i].ch_num = tx_slot[i];
-			INIT_LIST_HEAD(&wcd->tx_chs[i].list);
-		}
+	wcd->num_tx_port = tx_num;
+	for (i = 0; i < tx_num; i++) {
+		wcd->tx_chs[i].ch_num = tx_slot[i];
+		INIT_LIST_HEAD(&wcd->tx_chs[i].list);
 	}
 
 	return 0;
-- 
2.20.1