diff options
| author |   Steve Wise <swise@opengridcomputing.com> | 2017-12-18 13:10:00 -0800 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2017-12-21 16:06:06 -0700 |
| commit | f55688c45442bc863f40ad678c638785b26cdce6 (patch) | |
| tree | 29d6a91c3f075233a9468d83e22bb2caf6f69d77 /drivers/infiniband/hw/cxgb4 | |
| parent | IB/ipoib: Restore MM behavior in case of tx_ring allocation failure (diff) | |
| download | linux-dev-f55688c45442bc863f40ad678c638785b26cdce6.tar.xz linux-dev-f55688c45442bc863f40ad678c638785b26cdce6.zip | |
iw_cxgb4: Only validate the MSN for successful completions
If the RECV CQE is in error, ignore the MSN check. This was causing
recvs that were flushed into the sw cq to be completed with the wrong
status (BAD_MSN instead of FLUSHED).
Cc: stable@vger.kernel.org
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/cq.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index b7bfc536e00f..7ed87622e461 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -571,10 +571,10 @@ static int poll_cq(struct t4_wq *wq, struct t4_cq *cq, struct t4_cqe *cqe, ret = -EAGAIN; goto skip_cqe; } - if (unlikely((CQE_WRID_MSN(hw_cqe) != (wq->rq.msn)))) { + if (unlikely(!CQE_STATUS(hw_cqe) && + CQE_WRID_MSN(hw_cqe) != wq->rq.msn)) { t4_set_wq_in_error(wq); - hw_cqe->header |= htonl(CQE_STATUS_V(T4_ERR_MSN)); - goto proc_cqe; + hw_cqe->header |= cpu_to_be32(CQE_STATUS_V(T4_ERR_MSN)); } goto proc_cqe; } |