From: Roland Dreier <rolandd@cisco.com>
Date: Mon, 1 May 2006 17:40:23 +0000 (-0700)
Subject: IB/mthca: Fix offset in query_gid method
X-Git-Tag: v2.6.17-rc4~64^2~11
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=254abfd33a214617deb916585b306faee834c97f;p=linux-2.6

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>
---

diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 565a24b175..a2eae8a301 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);