RDMA/nes: In nes_post_recv() always set bad_wr on error

On error, set bad_wr in nes_post_recv().  Stop processing ib_wr queue
when an error is detected.

Signed-off-by: Frank Zago <fzago@systemfabricworks.com>
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 25b52d2478a8..0b17c01bb9fa 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -3554,8 +3554,10 @@ static int nes_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *ib_wr,
         u32 counter;
         u32 total_payload_length;
 
-        if (nesqp->ibqp_state > IB_QPS_RTS)
-                return -EINVAL;
+        if (nesqp->ibqp_state > IB_QPS_RTS) {
+                err = -EINVAL;
+                goto out;
+        }
 
         spin_lock_irqsave(&nesqp->lock, flags);
 
@@ -3618,6 +3620,7 @@ static int nes_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *ib_wr,
 
         spin_unlock_irqrestore(&nesqp->lock, flags);
 
+out:
         if (err)
                 *bad_wr = ib_wr;
         return err;