diff options
| author | Jeff Garzik <jgarzik@pobox.com> | 2005-07-30 18:14:15 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-07-30 18:14:15 -0400 |
| commit | a670fcb43f01a67ef56176afc76e5d43d128b25c (patch) | |
| tree | 09c9411c78a33ff980e9ea871bc7686e7589abbf /drivers/infiniband/hw/mthca/mthca_cq.c | |
| parent | 327309e899662b482c58cf25f574513d38b5788c (diff) | |
| parent | b0825488a642cadcf39709961dde61440cb0731c (diff) | |
/spare/repo/netdev-2.6 branch 'master'
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_cq.c')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_cq.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index b5aea7b869f6..5687c3014522 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -373,8 +373,12 @@ static int handle_error_cqe(struct mthca_dev *dev, struct mthca_cq *cq, * If we're at the end of the WQE chain, or we've used up our * doorbell count, free the CQE. Otherwise just update it for * the next poll operation. + * + * This does not apply to mem-free HCAs: they don't use the + * doorbell count field, and so we should always free the CQE. */ - if (!(new_wqe & cpu_to_be32(0x3f)) || (!cqe->db_cnt && dbd)) + if (mthca_is_memfree(dev) || + !(new_wqe & cpu_to_be32(0x3f)) || (!cqe->db_cnt && dbd)) return 0; cqe->db_cnt = cpu_to_be16(be16_to_cpu(cqe->db_cnt) - dbd); |