From b9d26cbf46fb618e08116c0d90d29f0f660b76d7 Mon Sep 17 00:00:00 2001
From: Jose Quaresma <quaresma.jose@gmail.com>
Date: Sun, 14 Jun 2020 16:54:28 +0100
Subject: [PATCH] Gst.py: raise an error if we can't unmap the memory

---
 gi/overrides/Gst.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gi/overrides/Gst.py b/gi/overrides/Gst.py
index e7eeb29cc9..edf347b98f 100644
--- a/gi/overrides/Gst.py
+++ b/gi/overrides/Gst.py
@@ -649,7 +649,8 @@ class Memory(Gst.Memory):
 
     def unmap(self, mapinfo):
         mapinfo.__parent__ = None
-        return _gi_gst.memory_override_unmap(self, mapinfo)
+        if _gi_gst.memory_override_unmap(self, mapinfo) is not True:
+            raise MapError('UnmappingError','Memory unmapping was not successfull')
 
 Memory = override(Memory)
 __all__.append('Memory')