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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-01-22 16:42:57 +0100 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-03-30 21:55:22 +1030 |
| commit | 3a35ce7dcefe9e80a00603a195269fbaf6e7d901 (patch) | |
| tree | 23d814e318c36d7a9fe601be2f535da45bceec56 /drivers/virtio/virtio_ring.c | |
| parent | 0d34fb8e93ceba7b6dad0062dbb4a0813bacd75b (diff) | |
| download | lwn-3a35ce7dcefe9e80a00603a195269fbaf6e7d901.tar.gz lwn-3a35ce7dcefe9e80a00603a195269fbaf6e7d901.zip | |
virtio: fix BAD_RING, START_US and END_USE macros
Impact: cleanup
fix BAD_RING, START_US and END_USE macros
When these macros aren't called with a variable named vq as first
argument, this would result in a build failure.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/virtio/virtio_ring.c')
| -rw-r--r-- | drivers/virtio/virtio_ring.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 5777196bf6c9..12273bf9b3b2 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -23,15 +23,15 @@ #ifdef DEBUG /* For development, we want to crash whenever the ring is screwed. */ -#define BAD_RING(vq, fmt...) \ - do { dev_err(&vq->vq.vdev->dev, fmt); BUG(); } while(0) -#define START_USE(vq) \ - do { if ((vq)->in_use) panic("in_use = %i\n", (vq)->in_use); (vq)->in_use = __LINE__; mb(); } while(0) -#define END_USE(vq) \ - do { BUG_ON(!(vq)->in_use); (vq)->in_use = 0; mb(); } while(0) +#define BAD_RING(_vq, fmt...) \ + do { dev_err(&_vq->vq.vdev->dev, fmt); BUG(); } while(0) +#define START_USE(_vq) \ + do { if ((_vq)->in_use) panic("in_use = %i\n", (_vq)->in_use); (_vq)->in_use = __LINE__; mb(); } while(0) +#define END_USE(_vq) \ + do { BUG_ON(!(_vq)->in_use); (_vq)->in_use = 0; mb(); } while(0) #else -#define BAD_RING(vq, fmt...) \ - do { dev_err(&vq->vq.vdev->dev, fmt); (vq)->broken = true; } while(0) +#define BAD_RING(_vq, fmt...) \ + do { dev_err(&_vq->vq.vdev->dev, fmt); (_vq)->broken = true; } while(0) #define START_USE(vq) #define END_USE(vq) #endif |