TOMOYO: Remove unneeded parameter.
tomoyo_path_perm() tomoyo_path2_perm() and tomoyo_check_rewrite_permission()
always receive tomoyo_domain(). We can move it from caller to callee.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c
index 09feaf2..db342ef 100644
--- a/security/tomoyo/file.c
+++ b/security/tomoyo/file.c
@@ -1135,17 +1135,16 @@
/**
* tomoyo_path_perm - Check permission for "create", "unlink", "mkdir", "rmdir", "mkfifo", "mksock", "mkblock", "mkchar", "truncate", "symlink", "ioctl", "chmod", "chown", "chgrp", "chroot", "mount" and "unmount".
*
- * @domain: Pointer to "struct tomoyo_domain_info".
* @operation: Type of operation.
* @path: Pointer to "struct path".
*
* Returns 0 on success, negative value otherwise.
*/
-int tomoyo_path_perm(struct tomoyo_domain_info *domain,
- const u8 operation, struct path *path)
+int tomoyo_path_perm(const u8 operation, struct path *path)
{
int error = -ENOMEM;
struct tomoyo_path_info *buf;
+ struct tomoyo_domain_info *domain = tomoyo_domain();
const u8 mode = tomoyo_check_flags(domain, TOMOYO_MAC_FOR_FILE);
const bool is_enforce = (mode == 3);
int idx;
@@ -1180,15 +1179,14 @@
/**
* tomoyo_check_rewrite_permission - Check permission for "rewrite".
*
- * @domain: Pointer to "struct tomoyo_domain_info".
* @filp: Pointer to "struct file".
*
* Returns 0 on success, negative value otherwise.
*/
-int tomoyo_check_rewrite_permission(struct tomoyo_domain_info *domain,
- struct file *filp)
+int tomoyo_check_rewrite_permission(struct file *filp)
{
int error = -ENOMEM;
+ struct tomoyo_domain_info *domain = tomoyo_domain();
const u8 mode = tomoyo_check_flags(domain, TOMOYO_MAC_FOR_FILE);
const bool is_enforce = (mode == 3);
struct tomoyo_path_info *buf;
@@ -1217,19 +1215,18 @@
/**
* tomoyo_path2_perm - Check permission for "rename", "link" and "pivot_root".
*
- * @domain: Pointer to "struct tomoyo_domain_info".
* @operation: Type of operation.
* @path1: Pointer to "struct path".
* @path2: Pointer to "struct path".
*
* Returns 0 on success, negative value otherwise.
*/
-int tomoyo_path2_perm(struct tomoyo_domain_info * const domain,
- const u8 operation, struct path *path1,
+int tomoyo_path2_perm(const u8 operation, struct path *path1,
struct path *path2)
{
int error = -ENOMEM;
struct tomoyo_path_info *buf1, *buf2;
+ struct tomoyo_domain_info *domain = tomoyo_domain();
const u8 mode = tomoyo_check_flags(domain, TOMOYO_MAC_FOR_FILE);
const bool is_enforce = (mode == 3);
const char *msg;