[PATCH] IB-mlx5: Return EINVAL when caller specifies too many SGEs

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Other similar functions (mlx5_ib_post_recv being the closest)
return EINVAL in this case.

Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
Hi Matan, Leon-

I noticed this nit while debugging a problem in xprtrdma.

 drivers/infiniband/hw/mlx5/qp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index ce0a7ab..b0e5498 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -3436,7 +3436,7 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 		num_sge = wr->num_sge;
 		if (unlikely(num_sge > qp->sq.max_gs)) {
 			mlx5_ib_warn(dev, "\n");
-			err = -ENOMEM;
+			err = -EINVAL;
 			*bad_wr = wr;
 			goto out;
 		}

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