aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/linux/sysctl.h2
-rw-r--r--kernel/sysctl.c10
2 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 72ba58b362d..9698ac30f55 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -925,8 +925,10 @@ enum
#include <linux/list.h>
/* For the /proc/sys support */
+struct ctl_table;
extern struct ctl_table_header *sysctl_head_next(struct ctl_table_header *prev);
extern void sysctl_head_finish(struct ctl_table_header *prev);
+extern int sysctl_perm(struct ctl_table *table, int op);
extern void sysctl_init(void);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c3e2ac9cb5f..6bbac5ce75e 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1157,7 +1157,7 @@ asmlinkage long sys_sysctl(struct __sysctl_args __user *args)
#endif /* CONFIG_SYSCTL_SYSCALL */
/*
- * ctl_perm does NOT grant the superuser all rights automatically, because
+ * sysctl_perm does NOT grant the superuser all rights automatically, because
* some sysctl variables are readonly even to root.
*/
@@ -1172,7 +1172,7 @@ static int test_perm(int mode, int op)
return -EACCES;
}
-static inline int ctl_perm(ctl_table *table, int op)
+int sysctl_perm(ctl_table *table, int op)
{
int error;
error = security_sysctl(table, op);
@@ -1199,7 +1199,7 @@ repeat:
if (n == table->ctl_name) {
int error;
if (table->child) {
- if (ctl_perm(table, 001))
+ if (sysctl_perm(table, 001))
return -EPERM;
name++;
nlen--;
@@ -1228,7 +1228,7 @@ int do_sysctl_strategy (ctl_table *table,
op |= 004;
if (newval)
op |= 002;
- if (ctl_perm(table, op))
+ if (sysctl_perm(table, op))
return -EPERM;
if (table->strategy) {
@@ -1498,7 +1498,7 @@ static ssize_t do_rw_proc(int write, struct file * file, char __user * buf,
goto out;
error = -EPERM;
op = (write ? 002 : 004);
- if (ctl_perm(table, op))
+ if (sysctl_perm(table, op))
goto out;
/* careful: calling conventions are nasty here */