| commit | 62aaf24dc125d7c55c93e313d15611f152b030c7 | |
| author | Bjørn Mork <bjorn@mork.no> | |
| Mon, 16 Jan 2012 14:11:57 +0000 (16 15:11 +0100) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Tue, 24 Jan 2012 20:18:25 +0000 (24 12:18 -0800) | ||
| tree | 53aa5c498a5ffae8c8c78bef3be0889c9af61bfd | treesnapshot (tar.gz zip) |
| parent | e8537bd2c4f325a4796da33564ddcef9489b7feb | commitdiff |
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>
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>
| drivers/usb/class/cdc-wdm.c | diffblobblamehistory |