From 196b885a5f0aa3ca022c1fa99509f47341239784 Mon Sep 17 00:00:00 2001
From: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Date: Tue, 2 Jun 2015 23:17:48 -0400
Subject: swresample/dither: check memory allocation

check memory allocation in swri_get_dither()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libswresample/dither.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'libswresample/dither.c')

diff --git a/libswresample/dither.c b/libswresample/dither.c
index ca09e67f4d..248062aab8 100644
--- a/libswresample/dither.c
+++ b/libswresample/dither.c
@@ -23,12 +23,15 @@
 
 #include "noise_shaping_data.c"
 
-void swri_get_dither(SwrContext *s, void *dst, int len, unsigned seed, enum AVSampleFormat noise_fmt) {
+int swri_get_dither(SwrContext *s, void *dst, int len, unsigned seed, enum AVSampleFormat noise_fmt) {
     double scale = s->dither.noise_scale;
 #define TMP_EXTRA 2
     double *tmp = av_malloc_array(len + TMP_EXTRA, sizeof(double));
     int i;
 
+    if (!tmp)
+        return AVERROR(ENOMEM);
+
     for(i=0; i<len + TMP_EXTRA; i++){
         double v;
         seed = seed* 1664525 + 1013904223;
@@ -70,6 +73,7 @@ void swri_get_dither(SwrContext *s, void *dst, int len, unsigned seed, enum AVSa
     }
 
     av_free(tmp);
+    return 0;
 }
 
 av_cold int swri_dither_init(SwrContext *s, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt)
-- 
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