From 561a365dca6e392c5f6cd718784c57627819eef4 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 7 Jul 2012 19:14:21 +0200
Subject: [PATCH] pp: check that the argument is not NULL as this is not
 supported

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libpostproc/postprocess.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libpostproc/postprocess.c b/libpostproc/postprocess.c
index 62eb3b2de04..2234ba8c76c 100644
--- a/libpostproc/postprocess.c
+++ b/libpostproc/postprocess.c
@@ -728,6 +728,11 @@ pp_mode *pp_get_mode_by_name_and_quality(const char *name, int quality)
     struct PPMode *ppMode;
     char *filterToken;
 
+    if (!name)  {
+        av_log(NULL, AV_LOG_ERROR, "pp: Missing argument\n");
+        return NULL;
+    }
+
     if (!strcmp(name, "help")) {
         const char *p;
         for (p = pp_help; strchr(p, '\n'); p = strchr(p, '\n') + 1) {
-- 
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