From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 28 Oct 2013 13:21:46 +0000 (+0100)
Subject: ASoC: Use strlcpy() for copying in snd_soc_info_enum_double()
X-Git-Tag: v3.13-rc1~122^2~44^2~11^2~2
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=a19685cb72bb6a80ac453e76b3ab3bb7770e1742;p=linux.git

ASoC: Use strlcpy() for copying in snd_soc_info_enum_double()

The provided texts aren't guaranteed to be in the fixed size.
Spotted by coverity CID 139318.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
---

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 0860a7f11299..b38e0ee622df 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2552,8 +2552,9 @@ int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 
 	if (uinfo->value.enumerated.item > e->max - 1)
 		uinfo->value.enumerated.item = e->max - 1;
-	strcpy(uinfo->value.enumerated.name,
-		e->texts[uinfo->value.enumerated.item]);
+	strlcpy(uinfo->value.enumerated.name,
+		e->texts[uinfo->value.enumerated.item],
+		sizeof(uinfo->value.enumerated.name));
 	return 0;
 }
 EXPORT_SYMBOL_GPL(snd_soc_info_enum_double);