/******************************************************************************* AudioScience HPI driver Copyright (C) 1997-2011 AudioScience Inc. This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as published by the Free Software Foundation; This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Linux HPI ioctl, and shared module init functions *******************************************************************************/ int asihpi_adapter_probe(struct pci_dev *pci_dev, const struct pci_device_id *pci_id); void asihpi_adapter_remove(struct pci_dev *pci_dev); void __init asihpi_init(void); void __exit asihpi_exit(void); int asihpi_hpi_release(struct file *file); long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg); /* This is called from hpifunc.c functions, called by ALSA * (or other kernel process) In this case there is no file descriptor * available for the message cache code */ void hpi_send_recv(struct hpi_message *phm, struct hpi_response *phr); #define HOWNER_KERNEL ((void *)-1) nux/net-next.git/refs/?id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>refslogtreecommitdiff
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authorJohan Hovold <johan@kernel.org>2017-01-30 11:26:38 +0100
committerJiri Kosina <jkosina@suse.cz>2017-01-31 12:59:32 +0100
commit7a7b5df84b6b4e5d599c7289526eed96541a0654 (patch)
treecf7514c7ddf4410fe37ca9099a2785e1cf08fa7d /net/batman-adv/bat_v_elp.c
parent877a021e08ccb6434718c0cc781fdf943c884cc0 (diff)
HID: cp2112: fix sleep-while-atomic
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 'net/batman-adv/bat_v_elp.c')