IB/mlx5: Improve debug prints in mlx5_ib_reg_user_mr

Print access flags and error code from ib_umem_get.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 80b3c63eab5d96b75a84180f56b9df9ec39a7b73..8ee7cb46e0590668bd79277bc672a9d41f90f02d 100644 (file)
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -881,12 +881,12 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
        int order;
        int err;
 
-       mlx5_ib_dbg(dev, "start 0x%llx, virt_addr 0x%llx, length 0x%llx\n",
-                   start, virt_addr, length);
+       mlx5_ib_dbg(dev, "start 0x%llx, virt_addr 0x%llx, length 0x%llx, access_flags 0x%x\n",
+                   start, virt_addr, length, access_flags);
        umem = ib_umem_get(pd->uobject->context, start, length, access_flags,
                           0);
        if (IS_ERR(umem)) {
-               mlx5_ib_dbg(dev, "umem get failed\n");
+               mlx5_ib_dbg(dev, "umem get failed (%ld)\n", PTR_ERR(umem));
                return (void *)umem;
        }