From: Andre Noll <maan@systemlinux.org>
Date: Fri, 1 May 2009 20:07:49 +0000 (+0200)
Subject: fecdec: Add another sanity check to find_group().
X-Git-Tag: v0.3.4~6
X-Git-Url: http://git.tue.mpg.de/?a=commitdiff_plain;h=44c5fe64eebb185ecc7a406c3db26721834dbea4;p=paraslash.git

fecdec: Add another sanity check to find_group().
---

diff --git a/fecdec_filter.c b/fecdec_filter.c
index ee3d0d6e..5f37f1a8 100644
--- a/fecdec_filter.c
+++ b/fecdec_filter.c
@@ -117,10 +117,15 @@ static int find_group(struct fec_header *h,
 	FOR_EACH_FECDEC_GROUP(fg, pfd) {
 		if (fg->h.group_num != h->group_num)
 			continue;
+		if (fg->num_received_slices == 0)
+			goto success;
 		if (fg->h.slices_per_group != h->slices_per_group)
 			return -E_BAD_FEC_HEADER;
 		if (fg->h.data_slices_per_group != h->data_slices_per_group)
 			return -E_BAD_FEC_HEADER;
+		if (fg->h.group_bytes != h->group_bytes)
+			return -E_BAD_FEC_HEADER;
+success:
 		*result = fg;
 		return 1;
 	}