IB/mthca: Fix offset in query_gid method

GuidInfo records have 8 byte GUIDs in them, so an index should be
multiplied by 8 to get an offset.  mthca_query_gid() was incorrectly
multiplying by 16.

Noticed by Leonid Keller <leonid@mellanox.co.il>.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 565a24b1756..a2eae8a3016 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -306,7 +306,7 @@ static int mthca_query_gid(struct ib_device *ibdev, u8 port,
                 goto out;
         }
 
-        memcpy(gid->raw + 8, out_mad->data + (index % 8) * 16, 8);
+        memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
 
  out:
         kfree(in_mad);