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consitify do_mount() arguments 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
(cherry picked from commit 808d4e3cfd)
This commit is contained in:
Al Viro 2012-10-11 11:42:01 -04:00 committed by Thierry Strudel
parent 57e87fa69d
commit 5f453c9b7c
10 changed files with 27 additions and 26 deletions
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12
fs/namespace.c
View File

@ -1583,7 +1583,7 @@ static int do_change_type(struct path *path, int flag)
/*
* do loopback mount.
*/
static int do_loopback(struct path *path, char *old_name,
static int do_loopback(struct path *path, const char *old_name,
int recurse)
{
LIST_HEAD(umount_list);
@ -1707,7 +1707,7 @@ static inline int tree_contains_unbindable(struct mount *mnt)
return 0;
}
static int do_move_mount(struct path *path, char *old_name)
static int do_move_mount(struct path *path, const char *old_name)
{
struct path old_path, parent_path;
struct mount *p;
@ -1860,8 +1860,8 @@ unlock:
* create a new mount for userspace and request it to be added into the
* namespace's tree
*/
static int do_new_mount(struct path *path, char *type, int flags,
int mnt_flags, char *name, void *data)
static int do_new_mount(struct path *path, const char *type, int flags,
int mnt_flags, const char *name, void *data)
{
struct vfsmount *mnt;
int err;
@ -2134,8 +2134,8 @@ int copy_mount_string(const void __user *data, char **where)
* Therefore, if this magic number is present, it carries no information
* and must be discarded.
*/
long do_mount(char *dev_name, char *dir_name, char *type_page,
unsigned long flags, void *data_page)
long do_mount(const char *dev_name, const char *dir_name,
const char *type_page, unsigned long flags, void *data_page)
{
struct path path;
int retval = 0;

2
include/linux/fs.h
View File

@ -1903,7 +1903,7 @@ extern struct vfsmount *kern_mount_data(struct file_system_type *, void *data);
extern void kern_unmount(struct vfsmount *mnt);
extern int may_umount_tree(struct vfsmount *);
extern int may_umount(struct vfsmount *);
extern long do_mount(char *, char *, char *, unsigned long, void *);
extern long do_mount(const char *, const char *, const char *, unsigned long, void *);
extern struct vfsmount *collect_mounts(struct path *);
extern void drop_collected_mounts(struct vfsmount *);
extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *,

12
include/linux/security.h
View File

@ -1418,8 +1418,8 @@ struct security_operations {
int (*sb_kern_mount) (struct super_block *sb, int flags, void *data);
int (*sb_show_options) (struct seq_file *m, struct super_block *sb);
int (*sb_statfs) (struct dentry *dentry);
int (*sb_mount) (char *dev_name, struct path *path,
char *type, unsigned long flags, void *data);
int (*sb_mount) (const char *dev_name, struct path *path,
const char *type, unsigned long flags, void *data);
int (*sb_umount) (struct vfsmount *mnt, int flags);
int (*sb_pivotroot) (struct path *old_path,
struct path *new_path);
@ -1705,8 +1705,8 @@ int security_sb_remount(struct super_block *sb, void *data);
int security_sb_kern_mount(struct super_block *sb, int flags, void *data);
int security_sb_show_options(struct seq_file *m, struct super_block *sb);
int security_sb_statfs(struct dentry *dentry);
int security_sb_mount(char *dev_name, struct path *path,
char *type, unsigned long flags, void *data);
int security_sb_mount(const char *dev_name, struct path *path,
const char *type, unsigned long flags, void *data);
int security_sb_umount(struct vfsmount *mnt, int flags);
int security_sb_pivotroot(struct path *old_path, struct path *new_path);
int security_sb_set_mnt_opts(struct super_block *sb, struct security_mnt_opts *opts);
@ -1995,8 +1995,8 @@ static inline int security_sb_statfs(struct dentry *dentry)
return 0;
}
static inline int security_sb_mount(char *dev_name, struct path *path,
char *type, unsigned long flags,
static inline int security_sb_mount(const char *dev_name, struct path *path,
const char *type, unsigned long flags,
void *data)
{
return 0;

4
security/capability.c
View File

@ -94,8 +94,8 @@ static int cap_sb_statfs(struct dentry *dentry)
return 0;
}
static int cap_sb_mount(char *dev_name, struct path *path, char *type,
unsigned long flags, void *data)
static int cap_sb_mount(const char *dev_name, struct path *path,
const char *type, unsigned long flags, void *data)
{
return 0;
}

4
security/security.c
View File

@ -280,8 +280,8 @@ int security_sb_statfs(struct dentry *dentry)
return security_ops->sb_statfs(dentry);
}
int security_sb_mount(char *dev_name, struct path *path,
char *type, unsigned long flags, void *data)
int security_sb_mount(const char *dev_name, struct path *path,
const char *type, unsigned long flags, void *data)
{
return security_ops->sb_mount(dev_name, path, type, flags, data);
}

4
security/selinux/hooks.c
View File

@ -2627,9 +2627,9 @@ static int selinux_sb_statfs(struct dentry *dentry)
return superblock_has_perm(cred, dentry->d_sb, FILESYSTEM__GETATTR, &ad);
}
static int selinux_mount(char *dev_name,
static int selinux_mount(const char *dev_name,
struct path *path,
char *type,
const char *type,
unsigned long flags,
void *data)
{

4
security/smack/smack_lsm.c
View File

@ -406,8 +406,8 @@ static int smack_sb_statfs(struct dentry *dentry)
* Returns 0 if current can write the floor of the filesystem
* being mounted on, an error code otherwise.
*/
static int smack_sb_mount(char *dev_name, struct path *path,
char *type, unsigned long flags, void *data)
static int smack_sb_mount(const char *dev_name, struct path *path,
const char *type, unsigned long flags, void *data)
{
struct superblock_smack *sbp = path->dentry->d_sb->s_security;
struct smk_audit_info ad;

2
security/tomoyo/common.h
View File

@ -971,7 +971,7 @@ int tomoyo_init_request_info(struct tomoyo_request_info *r,
const u8 index);
int tomoyo_mkdev_perm(const u8 operation, struct path *path,
const unsigned int mode, unsigned int dev);
int tomoyo_mount_permission(char *dev_name, struct path *path,
int tomoyo_mount_permission(const char *dev_name, struct path *path,
const char *type, unsigned long flags,
void *data_page);
int tomoyo_open_control(const u8 type, struct file *file);

5
security/tomoyo/mount.c
View File

@ -71,7 +71,8 @@ static bool tomoyo_check_mount_acl(struct tomoyo_request_info *r,
*
* Caller holds tomoyo_read_lock().
*/
static int tomoyo_mount_acl(struct tomoyo_request_info *r, char *dev_name,
static int tomoyo_mount_acl(struct tomoyo_request_info *r,
const char *dev_name,
struct path *dir, const char *type,
unsigned long flags)
{
@ -183,7 +184,7 @@ static int tomoyo_mount_acl(struct tomoyo_request_info *r, char *dev_name,
*
* Returns 0 on success, negative value otherwise.
*/
int tomoyo_mount_permission(char *dev_name, struct path *path,
int tomoyo_mount_permission(const char *dev_name, struct path *path,
const char *type, unsigned long flags,
void *data_page)
{

4
security/tomoyo/tomoyo.c
View File

@ -406,8 +406,8 @@ static int tomoyo_path_chroot(struct path *path)
*
* Returns 0 on success, negative value otherwise.
*/
static int tomoyo_sb_mount(char *dev_name, struct path *path,
char *type, unsigned long flags, void *data)
static int tomoyo_sb_mount(const char *dev_name, struct path *path,
const char *type, unsigned long flags, void *data)
{
return tomoyo_mount_permission(dev_name, path, type, flags, data);
}