127 #define EMBEDDED_NAME_MAX	(PATH_MAX - offsetof(struct filename, iname))
129 struct filename *
130 getname_flags(const char __user *filename, int flags, int *empty)  in getname_flags()  argument
132 	struct filename *result;  in getname_flags()
136 	result = audit_reusename(filename);  in getname_flags()
151 	len = strncpy_from_user(kname, filename, EMBEDDED_NAME_MAX);  in getname_flags()
164 		const size_t size = offsetof(struct filename, iname[1]);  in getname_flags()
178 		len = strncpy_from_user(kname, filename, PATH_MAX);  in getname_flags()
202 	result->uptr = filename;  in getname_flags()
208 struct filename *
209 getname_uflags(const char __user *filename, int uflags)  in getname_uflags()  argument
213 	return getname_flags(filename, flags, NULL);  in getname_uflags()
216 struct filename *
217 getname(const char __user * filename)  in getname()  argument
219 	return getname_flags(filename, 0, NULL);  in getname()
222 struct filename *
223 getname_kernel(const char * filename)  in getname_kernel()  argument
225 	struct filename *result;  in getname_kernel()
226 	int len = strlen(filename) + 1;  in getname_kernel()
235 		const size_t size = offsetof(struct filename, iname[1]);  in getname_kernel()
236 		struct filename *tmp;  in getname_kernel()
249 	memcpy((char *)result->name, filename, len);  in getname_kernel()
259 void putname(struct filename *name)  in putname()
584 	struct filename	*name;
596 static void __set_nameidata(struct nameidata *p, int dfd, struct filename *name)  in __set_nameidata()
610 static inline void set_nameidata(struct nameidata *p, int dfd, struct filename *name,  in set_nameidata()
2504 int filename_lookup(int dfd, struct filename *name, unsigned flags,  in filename_lookup()
2543 static int __filename_parentat(int dfd, struct filename *name,  in __filename_parentat()
2568 static int filename_parentat(int dfd, struct filename *name,  in filename_parentat()
2576 static struct dentry *__kern_path_locked(struct filename *name, struct path *path)  in __kern_path_locked()
2600 	struct filename *filename = getname_kernel(name);  in kern_path_locked()  local
2601 	struct dentry *res = __kern_path_locked(filename, path);  in kern_path_locked()
2603 	putname(filename);  in kern_path_locked()
2609 	struct filename *filename = getname_kernel(name);  in kern_path()  local
2610 	int ret = filename_lookup(AT_FDCWD, filename, flags, path, NULL);  in kern_path()
2612 	putname(filename);  in kern_path()
2627 int vfs_path_parent_lookup(struct filename *filename, unsigned int flags,  in vfs_path_parent_lookup()  argument
2631 	return  __filename_parentat(AT_FDCWD, filename, flags, parent, last,  in vfs_path_parent_lookup()
2648 	struct filename *filename;  in vfs_path_lookup()  local
2652 	filename = getname_kernel(name);  in vfs_path_lookup()
2654 	ret = filename_lookup(AT_FDCWD, filename, flags, path, &root);  in vfs_path_lookup()
2655 	putname(filename);  in vfs_path_lookup()
2908 	struct filename *filename = getname_flags(name, flags, empty);  in user_path_at_empty()  local
2909 	int ret = filename_lookup(dfd, filename, flags, path, NULL);  in user_path_at_empty()
2911 	putname(filename);  in user_path_at_empty()
3808 struct file *do_filp_open(int dfd, struct filename *pathname,  in do_filp_open()
3830 	struct filename *filename;  in do_file_open_root()  local
3836 	filename = getname_kernel(name);  in do_file_open_root()
3837 	if (IS_ERR(filename))  in do_file_open_root()
3838 		return ERR_CAST(filename);  in do_file_open_root()
3840 	set_nameidata(&nd, -1, filename, root);  in do_file_open_root()
3847 	putname(filename);  in do_file_open_root()
3851 static struct dentry *filename_create(int dfd, struct filename *name,  in filename_create()
3922 	struct filename *filename = getname_kernel(pathname);  in kern_path_create()  local
3923 	struct dentry *res = filename_create(dfd, filename, path, lookup_flags);  in kern_path_create()
3925 	putname(filename);  in kern_path_create()
3942 	struct filename *filename = getname(pathname);  in user_path_create()  local
3943 	struct dentry *res = filename_create(dfd, filename, path, lookup_flags);  in user_path_create()
3945 	putname(filename);  in user_path_create()
4015 static int do_mknodat(int dfd, struct filename *name, umode_t mode,  in do_mknodat()
4066 SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,  in SYSCALL_DEFINE4()  argument
4069 	return do_mknodat(dfd, getname(filename), mode, dev);  in SYSCALL_DEFINE4()
4072 SYSCALL_DEFINE3(mknod, const char __user *, filename, umode_t, mode, unsigned, dev)  in SYSCALL_DEFINE3()  argument
4074 	return do_mknodat(AT_FDCWD, getname(filename), mode, dev);  in SYSCALL_DEFINE3()
4120 int do_mkdirat(int dfd, struct filename *name, umode_t mode)  in do_mkdirat()
4214 int do_rmdir(int dfd, struct filename *name)  in do_rmdir()
4353 int do_unlinkat(int dfd, struct filename *name)  in do_unlinkat()
4480 int do_symlinkat(struct filename *from, int newdfd, struct filename *to)  in do_symlinkat()
4621 int do_linkat(int olddfd, struct filename *old, int newdfd,  in do_linkat()
4622 	      struct filename *new, int flags)  in do_linkat()
4911 int do_renameat2(int olddfd, struct filename *from, int newdfd,  in do_renameat2()
4912 		 struct filename *to, unsigned int flags)  in do_renameat2()