From: Eric W. Biederman <ebiederm@xxxxxxxxxxxx> - unquoted
Signed-off-by: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
---
include/linux/sysctl.h | 2 ++
kernel/sysctl.c | 10 +++++-----
2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 81ee9ea..20c23b5 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -924,8 +924,10 @@ 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 ca2831a..ec5e4a1 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1154,7 +1154,7 @@ 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.
*/
@@ -1169,7 +1169,7 @@ 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);
@@ -1196,7 +1196,7 @@ 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--;
@@ -1225,7 +1225,7 @@ 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) {
@@ -1495,7 +1495,7 @@ 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 */
--
1.4.4.1.g278f
-
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