linux-kernel - [PATCH] ASoC: cygnus: Remove unnecessary active

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Date:   Sun,  8 Oct 2017 19:20:30 +0100
From:   Christos Gkekas <chris.gekas@...il.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Jon Mason <jonmason@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com, alsa-devel@...a-project.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Christos Gkekas <chris.gekas@...il.com>
Subject: [PATCH] ASoC: cygnus: Remove unnecessary active_slots check

Variable active_slots is unsigned so checking whether it is less than
zero is not necessary.

Signed-off-by: Christos Gkekas <chris.gekas@...il.com>
---
 sound/soc/bcm/cygnus-ssp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/bcm/cygnus-ssp.c b/sound/soc/bcm/cygnus-ssp.c
index 15c438f..cb46128 100644
--- a/sound/soc/bcm/cygnus-ssp.c
+++ b/sound/soc/bcm/cygnus-ssp.c
@@ -998,7 +998,7 @@ static int cygnus_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai,
 
 	active_slots = hweight32(tx_mask);
 
-	if ((active_slots < 0) || (active_slots > 16))
+	if (active_slots > 16)
 		return -EINVAL;
 
 	/* Slot value must be even */
-- 
2.7.4