From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Wed, 3 Nov 2010 13:37:06 +0000 (-0400)
Subject: ASoC: Check return value of strict_strtoul() in WM8962
X-Git-Tag: firefly_0821_release~7613^2~3155^2~11^2~45
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=74a557e27ff86a5a1f8d5f24c178c70b98367b12;p=firefly-linux-kernel-4.4.55.git

ASoC: Check return value of strict_strtoul() in WM8962

strict_strtoul() has been made __must_check so do so.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
---

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 894d0cd3aa9b..e8092745a207 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3500,8 +3500,11 @@ static ssize_t wm8962_beep_set(struct device *dev,
 {
 	struct wm8962_priv *wm8962 = dev_get_drvdata(dev);
 	long int time;
+	int ret;
 
-	strict_strtol(buf, 10, &time);
+	ret = strict_strtol(buf, 10, &time);
+	if (ret != 0)
+		return ret;
 
 	input_event(wm8962->beep, EV_SND, SND_TONE, time);