diff options
Diffstat (limited to 'wcd9335-fix-a-incorrect-use-of-kstrndup.patch')
| -rw-r--r-- | wcd9335-fix-a-incorrect-use-of-kstrndup.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/wcd9335-fix-a-incorrect-use-of-kstrndup.patch b/wcd9335-fix-a-incorrect-use-of-kstrndup.patch new file mode 100644 index 000000000..2b35e913e --- /dev/null +++ b/wcd9335-fix-a-incorrect-use-of-kstrndup.patch @@ -0,0 +1,32 @@ +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 + |