s390/qeth: constify the disciplines

The discipline struct is a fixed group of function pointers.
So declare the L2 and L3 disciplines as constant.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 707a163..e5f47a8 100644 (file)
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -858,7 +858,7 @@ struct qeth_card {
        struct qeth_qdio_info qdio;
        int read_or_write_problem;
        struct qeth_osn_info osn_info;
-       struct qeth_discipline *discipline;
+       const struct qeth_discipline *discipline;
        atomic_t force_alloc_skb;
        struct service_level qeth_service_level;
        struct qdio_ssqd_desc ssqd;
@@ -1051,8 +1051,8 @@ static inline int qeth_send_simple_setassparms_v6(struct qeth_card *card,
 
 int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb);
 
-extern struct qeth_discipline qeth_l2_discipline;
-extern struct qeth_discipline qeth_l3_discipline;
+extern const struct qeth_discipline qeth_l2_discipline;
+extern const struct qeth_discipline qeth_l3_discipline;
 extern const struct ethtool_ops qeth_ethtool_ops;
 extern const struct ethtool_ops qeth_osn_ethtool_ops;
 extern const struct attribute_group *qeth_generic_attr_groups[];

diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index c0ceedd..2e9d3fe 100644 (file)
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -2340,7 +2340,7 @@ static int qeth_l2_control_event(struct qeth_card *card,
        }
 }
 
-struct qeth_discipline qeth_l2_discipline = {
+const struct qeth_discipline qeth_l2_discipline = {
        .devtype = &qeth_l2_devtype,
        .setup = qeth_l2_probe_device,
        .remove = qeth_l2_remove_device,

diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 803ccbc..4db7ded 100644 (file)
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2073,7 +2073,7 @@ static int qeth_l3_control_event(struct qeth_card *card,
        return 1;
 }
 
-struct qeth_discipline qeth_l3_discipline = {
+const struct qeth_discipline qeth_l3_discipline = {
        .devtype = &qeth_l3_devtype,
        .setup = qeth_l3_probe_device,
        .remove = qeth_l3_remove_device,