V4L/DVB (8772): cx18: Convert cx18_queue buffers member to atomic_t

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cx18: Convert cx18_queue buffers member to atomic_t.  This allows safe
concurrent access to check if a queue has data without having to acquire the
queue spinlock.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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Andy Walls 2008-08-22 21:03:11 -03:00 • committed by Mauro Carvalho Chehab

parent 59ba2b0022

commit b04bce476c

4 changed files with 11 additions and 10 deletions

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2

drivers/media/video/cx18/cx18-driver.h

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4

drivers/media/video/cx18/cx18-fileops.c

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3

drivers/media/video/cx18/cx18-ioctl.c

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12

drivers/media/video/cx18/cx18-queue.c

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