owncloud/core — pull request #9121 by PVince81 (2014-06-20 11:40:51+00:00)
Title: Prevent showing the file picker twice

In case the filepicker function is called twice, only show it once.

Fixes https://github.com/owncloud/core/issues/8406

@MorrisJobke

But I think you should also fix the music app to only call the picker once, also for OC 6.