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authorEric W. Biederman <ebiederm@xmission.com>2012-01-21 17:51:48 -0800
committerEric W. Biederman <ebiederm@xmission.com>2012-01-24 16:40:28 -0800
commita194558e8698621a9ce7f2c6a720123e644af131 (patch)
tree7f58d41bf0be3a992b0dd6ae41be97d9964bb809 /fs/proc/proc_sysctl.c
parent8425d6aaf0704b98480131ed339c208ffce12e44 (diff)
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: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'fs/proc/proc_sysctl.c')
-rw-r--r--fs/proc/proc_sysctl.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 7e96a2681b6..88d1b06cc5c 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -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;