From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 23 Aug 2006 13:44:09 +0000 (+0200)
Subject: Fix segfault when invalid TLV is passed
X-Git-Tag: v1.0.12
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=66f3749cabe91ce58b865adc56f22a56328517a2;p=alsa-lib.git

Fix segfault when invalid TLV is passed

Fix segfault when invalid TLV is passed.
The invalid TLV entries must be ignored as error.
---

diff --git a/src/mixer/simple_none.c b/src/mixer/simple_none.c
index 1debacd8..9b217acc 100644
--- a/src/mixer/simple_none.c
+++ b/src/mixer/simple_none.c
@@ -1022,7 +1022,7 @@ static int parse_db_range(struct selem_str *rec, unsigned int *tlv,
 	default:
 		break;
 	}
-	return 1; /* not found */
+	return -EINVAL; /* not found */
 }
 
 /* convert the given raw volume value to a dB gain