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path: root/drivers/net/netconsole.c
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Diffstat (limited to 'drivers/net/netconsole.c')
-rw-r--r--drivers/net/netconsole.c52
1 files changed, 21 insertions, 31 deletions
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 31cbe02eda49..87f18aedd3bd 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -260,32 +260,32 @@ static struct netconsole_target *to_target(struct config_item *item)
static ssize_t enabled_show(struct config_item *item, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", to_target(item)->enabled);
+ return sysfs_emit(buf, "%d\n", to_target(item)->enabled);
}
static ssize_t extended_show(struct config_item *item, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", to_target(item)->extended);
+ return sysfs_emit(buf, "%d\n", to_target(item)->extended);
}
static ssize_t release_show(struct config_item *item, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", to_target(item)->release);
+ return sysfs_emit(buf, "%d\n", to_target(item)->release);
}
static ssize_t dev_name_show(struct config_item *item, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%s\n", to_target(item)->np.dev_name);
+ return sysfs_emit(buf, "%s\n", to_target(item)->np.dev_name);
}
static ssize_t local_port_show(struct config_item *item, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", to_target(item)->np.local_port);
+ return sysfs_emit(buf, "%d\n", to_target(item)->np.local_port);
}
static ssize_t remote_port_show(struct config_item *item, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", to_target(item)->np.remote_port);
+ return sysfs_emit(buf, "%d\n", to_target(item)->np.remote_port);
}
static ssize_t local_ip_show(struct config_item *item, char *buf)
@@ -293,9 +293,9 @@ static ssize_t local_ip_show(struct config_item *item, char *buf)
struct netconsole_target *nt = to_target(item);
if (nt->np.ipv6)
- return snprintf(buf, PAGE_SIZE, "%pI6c\n", &nt->np.local_ip.in6);
+ return sysfs_emit(buf, "%pI6c\n", &nt->np.local_ip.in6);
else
- return snprintf(buf, PAGE_SIZE, "%pI4\n", &nt->np.local_ip);
+ return sysfs_emit(buf, "%pI4\n", &nt->np.local_ip);
}
static ssize_t remote_ip_show(struct config_item *item, char *buf)
@@ -303,9 +303,9 @@ static ssize_t remote_ip_show(struct config_item *item, char *buf)
struct netconsole_target *nt = to_target(item);
if (nt->np.ipv6)
- return snprintf(buf, PAGE_SIZE, "%pI6c\n", &nt->np.remote_ip.in6);
+ return sysfs_emit(buf, "%pI6c\n", &nt->np.remote_ip.in6);
else
- return snprintf(buf, PAGE_SIZE, "%pI4\n", &nt->np.remote_ip);
+ return sysfs_emit(buf, "%pI4\n", &nt->np.remote_ip);
}
static ssize_t local_mac_show(struct config_item *item, char *buf)
@@ -313,12 +313,12 @@ static ssize_t local_mac_show(struct config_item *item, char *buf)
struct net_device *dev = to_target(item)->np.dev;
static const u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
- return snprintf(buf, PAGE_SIZE, "%pM\n", dev ? dev->dev_addr : bcast);
+ return sysfs_emit(buf, "%pM\n", dev ? dev->dev_addr : bcast);
}
static ssize_t remote_mac_show(struct config_item *item, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%pM\n", to_target(item)->np.remote_mac);
+ return sysfs_emit(buf, "%pM\n", to_target(item)->np.remote_mac);
}
/*
@@ -333,17 +333,15 @@ static ssize_t enabled_store(struct config_item *item,
{
struct netconsole_target *nt = to_target(item);
unsigned long flags;
- int enabled;
+ bool enabled;
int err;
mutex_lock(&dynamic_netconsole_mutex);
- err = kstrtoint(buf, 10, &enabled);
- if (err < 0)
+ err = kstrtobool(buf, &enabled);
+ if (err)
goto out_unlock;
err = -EINVAL;
- if (enabled < 0 || enabled > 1)
- goto out_unlock;
if ((bool)enabled == nt->enabled) {
pr_info("network logging has already %s\n",
nt->enabled ? "started" : "stopped");
@@ -394,7 +392,7 @@ static ssize_t release_store(struct config_item *item, const char *buf,
size_t count)
{
struct netconsole_target *nt = to_target(item);
- int release;
+ bool release;
int err;
mutex_lock(&dynamic_netconsole_mutex);
@@ -405,13 +403,9 @@ static ssize_t release_store(struct config_item *item, const char *buf,
goto out_unlock;
}
- err = kstrtoint(buf, 10, &release);
- if (err < 0)
- goto out_unlock;
- if (release < 0 || release > 1) {
- err = -EINVAL;
+ err = kstrtobool(buf, &release);
+ if (err)
goto out_unlock;
- }
nt->release = release;
@@ -426,7 +420,7 @@ static ssize_t extended_store(struct config_item *item, const char *buf,
size_t count)
{
struct netconsole_target *nt = to_target(item);
- int extended;
+ bool extended;
int err;
mutex_lock(&dynamic_netconsole_mutex);
@@ -437,13 +431,9 @@ static ssize_t extended_store(struct config_item *item, const char *buf,
goto out_unlock;
}
- err = kstrtoint(buf, 10, &extended);
- if (err < 0)
- goto out_unlock;
- if (extended < 0 || extended > 1) {
- err = -EINVAL;
+ err = kstrtobool(buf, &extended);
+ if (err)
goto out_unlock;
- }
nt->extended = extended;