diff options
| author | Eric Anholt <eric@anholt.net> | 2010-08-01 19:23:53 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-08-01 19:34:47 -0700 |
| commit | 2bd34f6ca86b5a5f9b749624f73310820e7a93fd (patch) | |
| tree | 9e42100423e78f400412dfa974a6a13bac94d2c0 /drivers/virtio/virtio_ring.c | |
| parent | a2757b6fab6dee3dbf43bdb7d7226d03747fbdb1 (diff) | |
| parent | 9fe6206f400646a2322096b56c59891d530e8d51 (diff) | |
Merge remote branch 'origin/master' into drm-intel-next
This resolves the conflict in the EDP code, which has been rather
popular to hack on recently.
Conflicts:
drivers/gpu/drm/i915/intel_dp.c
Diffstat (limited to 'drivers/virtio/virtio_ring.c')
| -rw-r--r-- | drivers/virtio/virtio_ring.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index afe7e21dd0a..1475ed6b575 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -164,7 +164,8 @@ int virtqueue_add_buf_gfp(struct virtqueue *_vq, gfp_t gfp) { struct vring_virtqueue *vq = to_vvq(_vq); - unsigned int i, avail, head, uninitialized_var(prev); + unsigned int i, avail, uninitialized_var(prev); + int head; START_USE(vq); @@ -174,7 +175,7 @@ int virtqueue_add_buf_gfp(struct virtqueue *_vq, * buffers, then go indirect. FIXME: tune this threshold */ if (vq->indirect && (out + in) > 1 && vq->num_free) { head = vring_add_indirect(vq, sg, out, in, gfp); - if (head != vq->vring.num) + if (likely(head >= 0)) goto add_head; } |