From: Andre Noll <maan@systemlinux.org>
Date: Sat, 19 Dec 2009 15:47:20 +0000 (+0100)
Subject: fecdec: Fix a double-free bug in clear_group().
X-Git-Tag: v0.4.1~5^2~12^2~1
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=58151b60c9782a52aac5d39ace7e69c3635ee260;hp=4fa9ba989b0f95e7d49a725e07ff5b4a91015700

fecdec: Fix a double-free bug in clear_group().

We must make sure fg->data isn't freed twice.
---

diff --git a/fecdec_filter.c b/fecdec_filter.c
index a6218e43..8cb17ad6 100644
--- a/fecdec_filter.c
+++ b/fecdec_filter.c
@@ -108,7 +108,9 @@ static void clear_group(struct fecdec_group *fg)
 		fg->idx[i] = -1;
 	}
 	free(fg->data);
+	fg->data = NULL;
 	free(fg->idx);
+	fg->idx = NULL;
 	fg->num_slices = 0;
 	memset(&fg->h, 0, sizeof(struct fec_header));
 	fg->num_received_slices = 0;