Handle OSError when closing download fileobj

CHANGELOG.asciidoc

@@ -31,6 +31,11 @@ Changed
 - Aliases can now use `;;` to have an alias which executed multiple commands.
 - `:edit-url` now does nothing if the URL isn't changed in the spawned editor.
 
+Fixed
+-----
+
+- Fix crash when downloading with a full disk
+
 Removed
 ------
 

qutebrowser/browser/webkit/downloads.py

@@ -413,7 +413,10 @@ class DownloadItem(QObject):
         self.done = True
         self.data_changed.emit()
         if self.fileobj is not None:
-            self.fileobj.close()
+            try:
+                self.fileobj.close()
+            except OSError:
+                log.downloads.exception("Error while closing file object")
 
     def init_reply(self, reply):
         """Set a new reply and connect its signals.