#include #include "common.h" void main(void) { pthread_mutex_t a, b, c; pthread_mutex_init(&a, NULL); pthread_mutex_init(&b, NULL); pthread_mutex_init(&c, NULL); LOCK_UNLOCK_2(a, b); LOCK_UNLOCK_2(b, c); LOCK_UNLOCK_2(c, a); } le='Atom feed' href='https://git.distanz.ch/cgit.cgi/linux/net-next.git/atom/sound/pci/ymfpci/ymfpci.h?h=nds-private-remove' type='application/atom+xml'/>
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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')