staging: rdma: hfi1: diag: constify hfi1_filter_array structure

Author: Julia Lawall <Julia.Lawall@lip6.fr>

The hfi1_filter_array structure is never modified, so declare it as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall 
Acked-by: Mike Marciniszyn 
Signed-off-by: Greg Kroah-Hartman 
---
 drivers/staging/rdma/hfi1/diag.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/drivers/staging/rdma/hfi1/diag.c b/drivers/staging/rdma/hfi1/diag.c
index 0c88317..e41159f 100644
--- a/drivers/staging/rdma/hfi1/diag.c
+++ b/drivers/staging/rdma/hfi1/diag.c
@@ -257,7 +257,7 @@ static int hfi1_filter_ib_service_level(void *ibhdr, void *packet_data,
 static int hfi1_filter_ib_pkey(void *ibhdr, void *packet_data, void *value);
 static int hfi1_filter_direction(void *ibhdr, void *packet_data, void *value);
 
-static struct hfi1_filter_array hfi1_filters[] = {
+static const struct hfi1_filter_array hfi1_filters[] = {
 	{ hfi1_filter_lid },
 	{ hfi1_filter_dlid },
 	{ hfi1_filter_mad_mgmt_class },