#ifndef US122L_H #define US122L_H struct us122l { struct usb_device *dev; int card_index; int stride; struct usb_stream_kernel sk; struct mutex mutex; struct file *first; unsigned second_periods_polled; struct file *master; struct file *slave; struct list_head midi_list; atomic_t mmap_count; }; #define US122L(c) ((struct us122l *)(c)->private_data) #define NAME_ALLCAPS "US-122L" #define USB_ID_US122L 0x800E #define USB_ID_US144 0x800F #define USB_ID_US122MKII 0x8021 #define USB_ID_US144MKII 0x8020 #endif h/cgit.cgi/linux/net-next.git' title='net-next.git Git repository'/>
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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 /sound/pci/ymfpci/ymfpci.h
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 'sound/pci/ymfpci/ymfpci.h')