selinux: sparse fix: eliminate warnings for selinuxfs
Fixes several sparse warnings for selinuxfs.c
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index e07cf7f..4a176b4 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2097,9 +2097,6 @@
return (atsecure || cap_bprm_secureexec(bprm));
}
-extern struct vfsmount *selinuxfs_mount;
-extern struct dentry *selinux_null;
-
/* Derived from fs/exec.c:flush_old_files. */
static inline void flush_unauthorized_files(const struct cred *cred,
struct files_struct *files)
@@ -5803,8 +5800,6 @@
int selinux_disable(void)
{
- extern void exit_sel_fs(void);
-
if (ss_initialized) {
/* Not permitted after initial policy load. */
return -EINVAL;
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 30002c4..13b6263 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -218,6 +218,9 @@
extern void selinux_status_update_policyload(int seqno);
extern void selinux_complete_init(void);
extern int selinux_disable(void);
+extern void exit_sel_fs(void);
+extern struct dentry *selinux_null;
+extern struct vfsmount *selinuxfs_mount;
#endif /* _SELINUX_SECURITY_H_ */
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index d3677c6..ba2ada5 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -477,7 +477,7 @@
.page_mkwrite = sel_mmap_policy_fault,
};
-int sel_mmap_policy(struct file *filp, struct vm_area_struct *vma)
+static int sel_mmap_policy(struct file *filp, struct vm_area_struct *vma)
{
if (vma->vm_flags & VM_SHARED) {
/* do not allow mprotect to make mapping writable */