[PATCH] IB/mthca: Fix memset size

Fix memset to use sizeof *props instead of just sizeof props.
Signed-off-by: NRoland Dreier <roland@topspin.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

drivers/infiniband/hw/mthca/mthca_provider.c

@@ -53,7 +53,7 @@ static int mthca_query_device(struct ib_device *ibdev,
 	if (!in_mad || !out_mad)
 		goto out;
 
-	memset(props, 0, sizeof props);
+	memset(props, 0, sizeof *props);
 
 	props->fw_ver              = mdev->fw_ver;