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Commit a194558e authored by Eric W. Biederman's avatar Eric W. Biederman
Browse files

sysctl: Normalize the root_table data structure. 



Every other directory has a .child member and we look at the .child
for our entries.  Do the same for the root_table.

Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
parent 8425d6aa

fs/proc/proc_sysctl.c

+11 −4
Original line number Diff line number Diff line
@@ -25,7 +25,14 @@ void proc_sys_poll_notify(struct ctl_table_poll *poll) 
	wake_up_interruptible(&poll->wait);

}



static struct ctl_table root_table[1];

static struct ctl_table root_table[] = {

	{

		.procname = "",

		.mode = S_IRUGO|S_IXUGO,

		.child = &root_table[1],

	},

	{ }

};

static struct ctl_table_root sysctl_table_root;

static struct ctl_table_header root_table_header = {

	{{.count = 1,
@@ -319,7 +326,7 @@ static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry, 
		goto out;

	}



	table = table ? table->child : head->ctl_table;

	table = table ? table->child : &head->ctl_table[1];



	p = find_in_table(table, name);

	if (!p) {
@@ -510,7 +517,7 @@ static int proc_sys_readdir(struct file *filp, void *dirent, filldir_t filldir) 
		goto out;

	}



	table = table ? table->child : head->ctl_table;

	table = table ? table->child : &head->ctl_table[1];



	ret = 0;

	/* Avoid a switch here: arm builds fail with missing __cmpdi2 */
@@ -966,7 +973,7 @@ struct ctl_table_header *__register_sysctl_table( 
	spin_lock(&sysctl_lock);

	header->set = lookup_header_set(root, namespaces);

	header->attached_by = header->ctl_table;

	header->attached_to = root_table;

	header->attached_to = &root_table[1];

	header->parent = &root_table_header;

	set = header->set;

	root = header->root;