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-rw-r--r--net/6lowpan/6lowpan_i.h16
-rw-r--r--net/6lowpan/core.c8
-rw-r--r--net/6lowpan/debugfs.c97
3 files changed, 32 insertions, 89 deletions
diff --git a/net/6lowpan/6lowpan_i.h b/net/6lowpan/6lowpan_i.h
index 53cf446ce2e3..01853cec0209 100644
--- a/net/6lowpan/6lowpan_i.h
+++ b/net/6lowpan/6lowpan_i.h
@@ -18,24 +18,16 @@ extern const struct ndisc_ops lowpan_ndisc_ops;
int addrconf_ifid_802154_6lowpan(u8 *eui, struct net_device *dev);
#ifdef CONFIG_6LOWPAN_DEBUGFS
-int lowpan_dev_debugfs_init(struct net_device *dev);
+void lowpan_dev_debugfs_init(struct net_device *dev);
void lowpan_dev_debugfs_exit(struct net_device *dev);
-int __init lowpan_debugfs_init(void);
+void __init lowpan_debugfs_init(void);
void lowpan_debugfs_exit(void);
#else
-static inline int lowpan_dev_debugfs_init(struct net_device *dev)
-{
- return 0;
-}
-
+static inline void lowpan_dev_debugfs_init(struct net_device *dev) { }
static inline void lowpan_dev_debugfs_exit(struct net_device *dev) { }
-static inline int __init lowpan_debugfs_init(void)
-{
- return 0;
-}
-
+static inline void __init lowpan_debugfs_init(void) { }
static inline void lowpan_debugfs_exit(void) { }
#endif /* CONFIG_6LOWPAN_DEBUGFS */
diff --git a/net/6lowpan/core.c b/net/6lowpan/core.c
index 2d68351f1ac4..a068757eabaf 100644
--- a/net/6lowpan/core.c
+++ b/net/6lowpan/core.c
@@ -42,9 +42,7 @@ int lowpan_register_netdevice(struct net_device *dev,
if (ret < 0)
return ret;
- ret = lowpan_dev_debugfs_init(dev);
- if (ret < 0)
- unregister_netdevice(dev);
+ lowpan_dev_debugfs_init(dev);
return ret;
}
@@ -152,9 +150,7 @@ static int __init lowpan_module_init(void)
{
int ret;
- ret = lowpan_debugfs_init();
- if (ret < 0)
- return ret;
+ lowpan_debugfs_init();
ret = register_netdevice_notifier(&lowpan_notifier);
if (ret < 0) {
diff --git a/net/6lowpan/debugfs.c b/net/6lowpan/debugfs.c
index f5a8eec9d7a3..1c140af06d52 100644
--- a/net/6lowpan/debugfs.c
+++ b/net/6lowpan/debugfs.c
@@ -163,11 +163,11 @@ static const struct file_operations lowpan_ctx_pfx_fops = {
.release = single_release,
};
-static int lowpan_dev_debugfs_ctx_init(struct net_device *dev,
- struct dentry *ctx, u8 id)
+static void lowpan_dev_debugfs_ctx_init(struct net_device *dev,
+ struct dentry *ctx, u8 id)
{
struct lowpan_dev *ldev = lowpan_dev(dev);
- struct dentry *dentry, *root;
+ struct dentry *root;
char buf[32];
WARN_ON_ONCE(id > LOWPAN_IPHC_CTX_TABLE_SIZE);
@@ -175,34 +175,18 @@ static int lowpan_dev_debugfs_ctx_init(struct net_device *dev,
sprintf(buf, "%d", id);
root = debugfs_create_dir(buf, ctx);
- if (!root)
- return -EINVAL;
- dentry = debugfs_create_file_unsafe("active", 0644, root,
- &ldev->ctx.table[id],
- &lowpan_ctx_flag_active_fops);
- if (!dentry)
- return -EINVAL;
+ debugfs_create_file("active", 0644, root, &ldev->ctx.table[id],
+ &lowpan_ctx_flag_active_fops);
- dentry = debugfs_create_file_unsafe("compression", 0644, root,
- &ldev->ctx.table[id],
- &lowpan_ctx_flag_c_fops);
- if (!dentry)
- return -EINVAL;
-
- dentry = debugfs_create_file("prefix", 0644, root,
- &ldev->ctx.table[id],
- &lowpan_ctx_pfx_fops);
- if (!dentry)
- return -EINVAL;
+ debugfs_create_file("compression", 0644, root, &ldev->ctx.table[id],
+ &lowpan_ctx_flag_c_fops);
- dentry = debugfs_create_file_unsafe("prefix_len", 0644, root,
- &ldev->ctx.table[id],
- &lowpan_ctx_plen_fops);
- if (!dentry)
- return -EINVAL;
+ debugfs_create_file("prefix", 0644, root, &ldev->ctx.table[id],
+ &lowpan_ctx_pfx_fops);
- return 0;
+ debugfs_create_file("prefix_len", 0644, root, &ldev->ctx.table[id],
+ &lowpan_ctx_plen_fops);
}
static int lowpan_context_show(struct seq_file *file, void *offset)
@@ -242,64 +226,39 @@ static int lowpan_short_addr_get(void *data, u64 *val)
DEFINE_DEBUGFS_ATTRIBUTE(lowpan_short_addr_fops, lowpan_short_addr_get, NULL,
"0x%04llx\n");
-static int lowpan_dev_debugfs_802154_init(const struct net_device *dev,
+static void lowpan_dev_debugfs_802154_init(const struct net_device *dev,
struct lowpan_dev *ldev)
{
- struct dentry *dentry, *root;
+ struct dentry *root;
if (!lowpan_is_ll(dev, LOWPAN_LLTYPE_IEEE802154))
- return 0;
+ return;
root = debugfs_create_dir("ieee802154", ldev->iface_debugfs);
- if (!root)
- return -EINVAL;
-
- dentry = debugfs_create_file_unsafe("short_addr", 0444, root,
- lowpan_802154_dev(dev)->wdev->ieee802154_ptr,
- &lowpan_short_addr_fops);
- if (!dentry)
- return -EINVAL;
- return 0;
+ debugfs_create_file("short_addr", 0444, root,
+ lowpan_802154_dev(dev)->wdev->ieee802154_ptr,
+ &lowpan_short_addr_fops);
}
-int lowpan_dev_debugfs_init(struct net_device *dev)
+void lowpan_dev_debugfs_init(struct net_device *dev)
{
struct lowpan_dev *ldev = lowpan_dev(dev);
- struct dentry *contexts, *dentry;
- int ret, i;
+ struct dentry *contexts;
+ int i;
/* creating the root */
ldev->iface_debugfs = debugfs_create_dir(dev->name, lowpan_debugfs);
- if (!ldev->iface_debugfs)
- goto fail;
contexts = debugfs_create_dir("contexts", ldev->iface_debugfs);
- if (!contexts)
- goto remove_root;
-
- dentry = debugfs_create_file("show", 0644, contexts,
- &lowpan_dev(dev)->ctx,
- &lowpan_context_fops);
- if (!dentry)
- goto remove_root;
-
- for (i = 0; i < LOWPAN_IPHC_CTX_TABLE_SIZE; i++) {
- ret = lowpan_dev_debugfs_ctx_init(dev, contexts, i);
- if (ret < 0)
- goto remove_root;
- }
- ret = lowpan_dev_debugfs_802154_init(dev, ldev);
- if (ret < 0)
- goto remove_root;
+ debugfs_create_file("show", 0644, contexts, &lowpan_dev(dev)->ctx,
+ &lowpan_context_fops);
- return 0;
+ for (i = 0; i < LOWPAN_IPHC_CTX_TABLE_SIZE; i++)
+ lowpan_dev_debugfs_ctx_init(dev, contexts, i);
-remove_root:
- lowpan_dev_debugfs_exit(dev);
-fail:
- return -EINVAL;
+ lowpan_dev_debugfs_802154_init(dev, ldev);
}
void lowpan_dev_debugfs_exit(struct net_device *dev)
@@ -307,13 +266,9 @@ void lowpan_dev_debugfs_exit(struct net_device *dev)
debugfs_remove_recursive(lowpan_dev(dev)->iface_debugfs);
}
-int __init lowpan_debugfs_init(void)
+void __init lowpan_debugfs_init(void)
{
lowpan_debugfs = debugfs_create_dir("6lowpan", NULL);
- if (!lowpan_debugfs)
- return -EINVAL;
-
- return 0;
}
void lowpan_debugfs_exit(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 07:47:55 +0000