summaryrefslogtreecommitdiff
path: root/drivers/media/video/cx18/cx18-driver.h
diff options
context:
space:
mode:
authorAndy Walls <awalls@radix.net>2008-08-22 21:03:11 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 09:36:53 -0200
commitb04bce476c57ac844962462ee4c813c44fa942cf (patch)
treefb08a484414e6e486fd31c59c8533c46fd4b1341 /drivers/media/video/cx18/cx18-driver.h
parent59ba2b002265f2e862aa7f0df3f13c09ea99c4da (diff)
V4L/DVB (8772): cx18: Convert cx18_queue buffers member to atomic_t
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>
Diffstat (limited to 'drivers/media/video/cx18/cx18-driver.h')
-rw-r--r--drivers/media/video/cx18/cx18-driver.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h
index 28c490b1b64e..8812a5ec635f 100644
--- a/drivers/media/video/cx18/cx18-driver.h
+++ b/drivers/media/video/cx18/cx18-driver.h
@@ -216,7 +216,7 @@ struct cx18_buffer {
struct cx18_queue {
struct list_head list;
- u32 buffers;
+ atomic_t buffers;
u32 bytesused;
};