From a54988113985ca22e414e132054f234fc8a92604 Mon Sep 17 00:00:00 2001
From: Gen Zhang <blackgod016574@gmail.com>
Date: Wed, 29 May 2019 09:53:05 +0800
Subject: wcd9335: fix a incorrect use of kstrndup()
In wcd9335_codec_enable_dec(), 'widget_name' is allocated by kstrndup().
However, according to doc: "Note: Use kmemdup_nul() instead if the size
is known exactly." So we should use kmemdup_nul() here instead of
kstrndup().
Signed-off-by: Gen Zhang <blackgod016574@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/wcd9335.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/codecs/wcd9335.c b/sound/soc/codecs/wcd9335.c
index a04a7cedd99d..85737fe54474 100644
--- a/sound/soc/codecs/wcd9335.c
+++ b/sound/soc/codecs/wcd9335.c
@@ -2734,7 +2734,7 @@ static int wcd9335_codec_enable_dec(struct snd_soc_dapm_widget *w,
char *dec;
u8 hpf_coff_freq;
- widget_name = kstrndup(w->name, 15, GFP_KERNEL);
+ widget_name = kmemdup_nul(w->name, 15, GFP_KERNEL);
if (!widget_name)
return -ENOMEM;
--
cgit 1.2-0.3.lf.el7