IB/mthca: check return value in mthca_dev_lim call

Check error return on call to mthca_dev_lim for Tavor
(as is done for memfree).

Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index 6f94b25..8b00d9a 100644 (file)
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -261,6 +261,10 @@ static int __devinit mthca_init_tavor(struct mthca_dev *mdev)
        }
 
        err = mthca_dev_lim(mdev, &dev_lim);
+       if (err) {
+               mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
+               goto err_disable;
+       }
 
        profile = default_profile;
        profile.num_uar   = dev_lim.uar_size / PAGE_SIZE;