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[net-next,05/10] net: make net sysfs attributes ro_after_init

Message ID 20170818204628.17147-6-sthemmin@microsoft.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Stephen Hemminger Aug. 18, 2017, 8:46 p.m. UTC 
The attributes of net devices are immutable.

Ideally, attribute groups would contain const attributes
but there are too many places that do modifications of list
during startup (in other code) to allow that.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
---
 net/core/net-sysfs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 2de441692f28..76ec74d4a65b 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -508,7 +508,7 @@  static ssize_t phys_switch_id_show(struct device *dev,
 }
 static DEVICE_ATTR_RO(phys_switch_id);
 
-static struct attribute *net_class_attrs[] = {
+static struct attribute *net_class_attrs[] __ro_after_init = {
 	&dev_attr_netdev_group.attr,
 	&dev_attr_type.attr,
 	&dev_attr_dev_id.attr,
@@ -597,7 +597,7 @@  NETSTAT_ENTRY(rx_compressed);
 NETSTAT_ENTRY(tx_compressed);
 NETSTAT_ENTRY(rx_nohandler);
 
-static struct attribute *netstat_attrs[] = {
+static struct attribute *netstat_attrs[] __ro_after_init = {
 	&dev_attr_rx_packets.attr,
 	&dev_attr_tx_packets.attr,
 	&dev_attr_rx_bytes.attr,