From d0c6ac0debaff1ca32be71cbbf958698106c3c4f Mon Sep 17 00:00:00 2001
From: Bobby Bingham <uhmmmm@gmail.com>
Date: Tue, 18 Sep 2012 23:27:43 -0500
Subject: [PATCH] Fix segfault with -filters option
Filters now use null pointers to indicate having no input/output pads,
rather than empty lists of pads. We can't assume pad is non-null
anymore.
Signed-off-by: Bobby Bingham <uhmmmm@gmail.com>
---
cmdutils.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/cmdutils.c b/cmdutils.c
index 3ed143e5f49..bd4ba4ad2d9 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -1041,7 +1041,7 @@ int show_filters(void *optctx, const char *opt, const char *arg)
*(descr_cur++) = '>';
}
pad = i ? (*filter)->outputs : (*filter)->inputs;
- for (j = 0; pad[j].name; j++) {
+ for (j = 0; pad && pad[j].name; j++) {
if (descr_cur >= descr + sizeof(descr) - 4)
break;
*(descr_cur++) = get_media_type_char(pad[j].type);
--
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