From 44c5fe64eebb185ecc7a406c3db26721834dbea4 Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@systemlinux.org>
Date: Fri, 1 May 2009 22:07:49 +0200
Subject: [PATCH 1/1] fecdec: Add another sanity check to find_group().

---
 fecdec_filter.c | 5 +++++
 1 file changed, 5 insertions(+)

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;
 	}
-- 
2.39.2