X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fproc%2Fgeneric.c;h=cb4096cc3fb7456f96a5a4e30dc1957e0707b10e;hb=3a1a8acf690873f0ee2d8a648c2ec185f4294bd2;hp=9d53b39a9cf8983b8c2e30b9bc1c661dfe89f1b6;hpb=886c35fbcf6fb2eee15687efc2d64d99b6ad9a4a;p=linux-2.6

diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 9d53b39a9c..cb4096cc3f 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -597,6 +597,7 @@ static struct proc_dir_entry *__proc_create(struct proc_dir_entry **parent,
 	ent->pde_users = 0;
 	spin_lock_init(&ent->pde_unload_lock);
 	ent->pde_unload_completion = NULL;
+	INIT_LIST_HEAD(&ent->pde_openers);
  out:
 	return ent;
 }
@@ -641,6 +642,23 @@ struct proc_dir_entry *proc_mkdir_mode(const char *name, mode_t mode,
 	return ent;
 }
 
+struct proc_dir_entry *proc_net_mkdir(struct net *net, const char *name,
+		struct proc_dir_entry *parent)
+{
+	struct proc_dir_entry *ent;
+
+	ent = __proc_create(&parent, name, S_IFDIR | S_IRUGO | S_IXUGO, 2);
+	if (ent) {
+		ent->data = net;
+		if (proc_register(parent, ent) < 0) {
+			kfree(ent);
+			ent = NULL;
+		}
+	}
+	return ent;
+}
+EXPORT_SYMBOL_GPL(proc_net_mkdir);
+
 struct proc_dir_entry *proc_mkdir(const char *name,
 		struct proc_dir_entry *parent)
 {
@@ -772,15 +790,25 @@ void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
 	spin_unlock(&de->pde_unload_lock);
 
 continue_removing:
+	spin_lock(&de->pde_unload_lock);
+	while (!list_empty(&de->pde_openers)) {
+		struct pde_opener *pdeo;
+
+		pdeo = list_first_entry(&de->pde_openers, struct pde_opener, lh);
+		list_del(&pdeo->lh);
+		spin_unlock(&de->pde_unload_lock);
+		pdeo->release(pdeo->inode, pdeo->file);
+		kfree(pdeo);
+		spin_lock(&de->pde_unload_lock);
+	}
+	spin_unlock(&de->pde_unload_lock);
+
 	if (S_ISDIR(de->mode))
 		parent->nlink--;
 	de->nlink = 0;
-	if (de->subdir) {
-		printk(KERN_WARNING "%s: removing non-empty directory "
+	WARN(de->subdir, KERN_WARNING "%s: removing non-empty directory "
 			"'%s/%s', leaking at least '%s'\n", __func__,
 			de->parent->name, de->name, de->subdir->name);
-		WARN_ON(1);
-	}
 	if (atomic_dec_and_test(&de->count))
 		free_proc_entry(de);
 }