tree 53aa5c498a5ffae8c8c78bef3be0889c9af61bfd
parent e8537bd2c4f325a4796da33564ddcef9489b7feb
author Bjørn Mork <bjorn@mork.no> 1326723117 +0100
committer Greg Kroah-Hartman <gregkh@suse.de> 1327436305 -0800

USB: cdc-wdm: call wake_up_all to allow driver to shutdown on device removal

wdm_disconnect() waits for the mutex held by wdm_read() before
calling wake_up_all().  This causes a deadlock, preventing device removal
to complete.  Do the wake_up_all() before we start waiting for the locks.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: Oliver Neukum <oliver@neukum.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>