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Diffstat (limited to 'net/core')
-rw-r--r--net/core/net-sysfs.c68
1 files changed, 36 insertions, 32 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index ca82c4a72350..927a6dcbad96 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -97,7 +97,8 @@ static ssize_t netdev_store(struct device *dev, struct device_attribute *attr,
return restart_syscall();
if (dev_isalive(netdev)) {
- if ((ret = (*set)(netdev, new)) == 0)
+ ret = (*set)(netdev, new);
+ if (ret == 0)
ret = len;
}
rtnl_unlock();
@@ -160,6 +161,7 @@ static ssize_t broadcast_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct net_device *ndev = to_net_dev(dev);
+
if (dev_isalive(ndev))
return sysfs_format_mac(buf, ndev->broadcast, ndev->addr_len);
return -EINVAL;
@@ -170,7 +172,7 @@ static int change_carrier(struct net_device *dev, unsigned long new_carrier)
{
if (!netif_running(dev))
return -EINVAL;
- return dev_change_carrier(dev, (bool) new_carrier);
+ return dev_change_carrier(dev, (bool)new_carrier);
}
static ssize_t carrier_store(struct device *dev, struct device_attribute *attr,
@@ -183,9 +185,10 @@ static ssize_t carrier_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct net_device *netdev = to_net_dev(dev);
- if (netif_running(netdev)) {
+
+ if (netif_running(netdev))
return sprintf(buf, fmt_dec, !!netif_carrier_ok(netdev));
- }
+
return -EINVAL;
}
static DEVICE_ATTR_RW(carrier);
@@ -290,6 +293,7 @@ static ssize_t carrier_changes_show(struct device *dev,
char *buf)
{
struct net_device *netdev = to_net_dev(dev);
+
return sprintf(buf, fmt_dec,
atomic_read(&netdev->carrier_changes));
}
@@ -299,7 +303,7 @@ static DEVICE_ATTR_RO(carrier_changes);
static int change_mtu(struct net_device *dev, unsigned long new_mtu)
{
- return dev_set_mtu(dev, (int) new_mtu);
+ return dev_set_mtu(dev, (int)new_mtu);
}
static ssize_t mtu_store(struct device *dev, struct device_attribute *attr,
@@ -311,7 +315,7 @@ NETDEVICE_SHOW_RW(mtu, fmt_dec);
static int change_flags(struct net_device *dev, unsigned long new_flags)
{
- return dev_change_flags(dev, (unsigned int) new_flags);
+ return dev_change_flags(dev, (unsigned int)new_flags);
}
static ssize_t flags_store(struct device *dev, struct device_attribute *attr,
@@ -362,8 +366,8 @@ static int change_gro_flush_timeout(struct net_device *dev, unsigned long val)
}
static ssize_t gro_flush_timeout_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
+ struct device_attribute *attr,
+ const char *buf, size_t len)
{
if (!capable(CAP_NET_ADMIN))
return -EPERM;
@@ -412,7 +416,7 @@ static DEVICE_ATTR_RW(ifalias);
static int change_group(struct net_device *dev, unsigned long new_group)
{
- dev_set_group(dev, (int) new_group);
+ dev_set_group(dev, (int)new_group);
return 0;
}
@@ -426,7 +430,7 @@ static DEVICE_ATTR(netdev_group, S_IRUGO | S_IWUSR, group_show, group_store);
static int change_proto_down(struct net_device *dev, unsigned long proto_down)
{
- return dev_change_proto_down(dev, (bool) proto_down);
+ return dev_change_proto_down(dev, (bool)proto_down);
}
static ssize_t proto_down_store(struct device *dev,
@@ -549,14 +553,14 @@ static ssize_t netstat_show(const struct device *d,
ssize_t ret = -EINVAL;
WARN_ON(offset > sizeof(struct rtnl_link_stats64) ||
- offset % sizeof(u64) != 0);
+ offset % sizeof(u64) != 0);
read_lock(&dev_base_lock);
if (dev_isalive(dev)) {
struct rtnl_link_stats64 temp;
const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp);
- ret = sprintf(buf, fmt_u64, *(u64 *)(((u8 *) stats) + offset));
+ ret = sprintf(buf, fmt_u64, *(u64 *)(((u8 *)stats) + offset));
}
read_unlock(&dev_base_lock);
return ret;
@@ -565,7 +569,7 @@ static ssize_t netstat_show(const struct device *d,
/* generate a read-only statistics attribute */
#define NETSTAT_ENTRY(name) \
static ssize_t name##_show(struct device *d, \
- struct device_attribute *attr, char *buf) \
+ struct device_attribute *attr, char *buf) \
{ \
return netstat_show(d, attr, buf, \
offsetof(struct rtnl_link_stats64, name)); \
@@ -625,7 +629,6 @@ static struct attribute *netstat_attrs[] __ro_after_init = {
NULL
};
-
static const struct attribute_group netstat_group = {
.name = "statistics",
.attrs = netstat_attrs,
@@ -647,8 +650,8 @@ static const struct attribute_group wireless_group = {
#endif /* CONFIG_SYSFS */
#ifdef CONFIG_SYSFS
-#define to_rx_queue_attr(_attr) container_of(_attr, \
- struct rx_queue_attribute, attr)
+#define to_rx_queue_attr(_attr) \
+ container_of(_attr, struct rx_queue_attribute, attr)
#define to_rx_queue(obj) container_of(obj, struct netdev_rx_queue, kobj)
@@ -725,8 +728,8 @@ static ssize_t store_rps_map(struct netdev_rx_queue *queue,
}
map = kzalloc(max_t(unsigned int,
- RPS_MAP_SIZE(cpumask_weight(mask)), L1_CACHE_BYTES),
- GFP_KERNEL);
+ RPS_MAP_SIZE(cpumask_weight(mask)), L1_CACHE_BYTES),
+ GFP_KERNEL);
if (!map) {
free_cpumask_var(mask);
return -ENOMEM;
@@ -736,9 +739,9 @@ static ssize_t store_rps_map(struct netdev_rx_queue *queue,
for_each_cpu_and(cpu, mask, cpu_online_mask)
map->cpus[i++] = cpu;
- if (i)
+ if (i) {
map->len = i;
- else {
+ } else {
kfree(map);
map = NULL;
}
@@ -827,8 +830,9 @@ static ssize_t store_rps_dev_flow_table_cnt(struct netdev_rx_queue *queue,
table->mask = mask;
for (count = 0; count <= mask; count++)
table->flows[count].cpu = RPS_NO_CPU;
- } else
+ } else {
table = NULL;
+ }
spin_lock(&rps_dev_flow_lock);
old_table = rcu_dereference_protected(queue->rps_flow_table,
@@ -865,7 +869,6 @@ static void rx_queue_release(struct kobject *kobj)
struct rps_map *map;
struct rps_dev_flow_table *flow_table;
-
map = rcu_dereference_protected(queue->rps_map, 1);
if (map) {
RCU_INIT_POINTER(queue->rps_map, NULL);
@@ -910,7 +913,7 @@ static int rx_queue_add_kobject(struct net_device *dev, int index)
kobj->kset = dev->queues_kset;
error = kobject_init_and_add(kobj, &rx_queue_ktype, NULL,
- "rx-%u", index);
+ "rx-%u", index);
if (error)
return error;
@@ -974,8 +977,8 @@ struct netdev_queue_attribute {
ssize_t (*store)(struct netdev_queue *queue,
const char *buf, size_t len);
};
-#define to_netdev_queue_attr(_attr) container_of(_attr, \
- struct netdev_queue_attribute, attr)
+#define to_netdev_queue_attr(_attr) \
+ container_of(_attr, struct netdev_queue_attribute, attr)
#define to_netdev_queue(obj) container_of(obj, struct netdev_queue, kobj)
@@ -1104,9 +1107,9 @@ static ssize_t bql_set(const char *buf, const size_t count,
unsigned int value;
int err;
- if (!strcmp(buf, "max") || !strcmp(buf, "max\n"))
+ if (!strcmp(buf, "max") || !strcmp(buf, "max\n")) {
value = DQL_MAX_LIMIT;
- else {
+ } else {
err = kstrtouint(buf, 10, &value);
if (err < 0)
return err;
@@ -1320,7 +1323,7 @@ static int netdev_queue_add_kobject(struct net_device *dev, int index)
kobj->kset = dev->queues_kset;
error = kobject_init_and_add(kobj, &netdev_queue_ktype, NULL,
- "tx-%u", index);
+ "tx-%u", index);
if (error)
return error;
@@ -1377,7 +1380,7 @@ static int register_queue_kobjects(struct net_device *dev)
#ifdef CONFIG_SYSFS
dev->queues_kset = kset_create_and_add("queues",
- NULL, &dev->dev.kobj);
+ NULL, &dev->dev.kobj);
if (!dev->queues_kset)
return -ENOMEM;
real_rx = dev->real_num_rx_queues;
@@ -1467,7 +1470,8 @@ static int netdev_uevent(struct device *d, struct kobj_uevent_env *env)
/* pass ifindex to uevent.
* ifindex is useful as it won't change (interface name may change)
- * and is what RtNetlink uses natively. */
+ * and is what RtNetlink uses natively.
+ */
retval = add_uevent_var(env, "IFINDEX=%d", dev->ifindex);
exit:
@@ -1542,7 +1546,7 @@ EXPORT_SYMBOL(of_find_net_device_by_node);
*/
void netdev_unregister_kobject(struct net_device *ndev)
{
- struct device *dev = &(ndev->dev);
+ struct device *dev = &ndev->dev;
if (!atomic_read(&dev_net(ndev)->count))
dev_set_uevent_suppress(dev, 1);
@@ -1559,7 +1563,7 @@ void netdev_unregister_kobject(struct net_device *ndev)
/* Create sysfs entries for network device. */
int netdev_register_kobject(struct net_device *ndev)
{
- struct device *dev = &(ndev->dev);
+ struct device *dev = &ndev->dev;
const struct attribute_group **groups = ndev->sysfs_groups;
int error = 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 05:26:55 +0000