From 52d74419420e95c68e9384b39a25420d5f880a73 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Wed, 30 Nov 2016 10:55:16 +0200
Subject: [PATCH] audioconvert: Error out if mapping input/output buffer failed

---
 gst/audioconvert/gstaudioconvert.c | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/gst/audioconvert/gstaudioconvert.c b/gst/audioconvert/gstaudioconvert.c
index 0b7c19cc0b..f0f7a7a40a 100644
--- a/gst/audioconvert/gstaudioconvert.c
+++ b/gst/audioconvert/gstaudioconvert.c
@@ -732,12 +732,14 @@ gst_audio_convert_transform (GstBaseTransform * base, GstBuffer * inbuf,
         && gst_buffer_n_memory (inbuf) == 1
         && gst_memory_is_writable (gst_buffer_peek_memory (inbuf, 0));
 
-    gst_buffer_map (inbuf, &srcmap,
-        inbuf_writable ? GST_MAP_READWRITE : GST_MAP_READ);
+    if (!gst_buffer_map (inbuf, &srcmap,
+            inbuf_writable ? GST_MAP_READWRITE : GST_MAP_READ))
+      goto inmap_error;
   } else {
     inbuf_writable = TRUE;
   }
-  gst_buffer_map (outbuf, &dstmap, GST_MAP_WRITE);
+  if (!gst_buffer_map (outbuf, &dstmap, GST_MAP_WRITE))
+    goto outmap_error;
 
   /* check in and outsize */
   if (inbuf != outbuf) {
@@ -790,6 +792,20 @@ convert_error:
     ret = GST_FLOW_ERROR;
     goto done;
   }
+inmap_error:
+  {
+    GST_ELEMENT_ERROR (this, STREAM, FORMAT,
+        (NULL), ("failed to map input buffer"));
+    return GST_FLOW_ERROR;
+  }
+outmap_error:
+  {
+    GST_ELEMENT_ERROR (this, STREAM, FORMAT,
+        (NULL), ("failed to map output buffer"));
+    if (inbuf != outbuf)
+      gst_buffer_unmap (inbuf, &srcmap);
+    return GST_FLOW_ERROR;
+  }
 }
 
 static GstFlowReturn