/* -*- mode: c; c-basic-offset: 8; -*-
* vim: noexpandtab sw=8 ts=8 sts=0:
*
* Copyright (C) 2005 Oracle. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* General Public License for more details.
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* License along with this program; if not, write to the
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#ifndef O2CLUSTER_QUORUM_H
#define O2CLUSTER_QUORUM_H
void o2quo_init(void);
void o2quo_exit(void);
void o2quo_hb_up(u8 node);
void o2quo_hb_down(u8 node);
void o2quo_hb_still_up(u8 node);
void o2quo_conn_up(u8 node);
void o2quo_conn_err(u8 node);
void o2quo_disk_timeout(void);
#endif /* O2CLUSTER_QUORUM_H */
n>
A recent commit fixing DMA-buffers on stack added a shared transfer
buffer protected by a spinlock. This is broken as the USB HID request
callbacks can sleep. Fix this up by replacing the spinlock with a mutex.
Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable")
Cc: stable <stable@vger.kernel.org> # 4.9
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/usb/serial/quatech2.c')