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authorDave Kleikamp <shaggy@austin.ibm.com>2005-07-28 09:03:36 -0500
committerDave Kleikamp <shaggy@austin.ibm.com>2005-07-28 09:03:36 -0500
commitda28c12089dfcfb8695b6b555cdb8e03dda2b690 (patch)
treeb3ff509f21352ef053cb3d490cb13528090d32ac /drivers/infiniband/hw/mthca/mthca_cq.c
parent6de7dc2c4c713d037c19aa1e310d240f16973414 (diff)
parent577a4f8102d54b504cb22eb021b89e957e8df18f (diff)
downloadlinux-rt-da28c12089dfcfb8695b6b555cdb8e03dda2b690.tar.gz
Merge with /home/shaggy/git/linus-clean/
/home/shaggy/git/linus-clean/ /home/shaggy/git/linus-clean/ Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_cq.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cq.c6
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);