122 #define EMBEDDED_NAME_MAX	(PATH_MAX - offsetof(struct filename, iname))
124 struct filename *
125 getname_flags(const char __user *filename, int flags, int *empty)  in getname_flags()  argument
127 	struct filename *result;  in getname_flags()
131 	result = audit_reusename(filename);  in getname_flags()
146 	len = strncpy_from_user(kname, filename, EMBEDDED_NAME_MAX);  in getname_flags()
159 		const size_t size = offsetof(struct filename, iname[1]);  in getname_flags()
173 		len = strncpy_from_user(kname, filename, PATH_MAX);  in getname_flags()
197 	result->uptr = filename;  in getname_flags()
203 struct filename *
204 getname(const char __user * filename)  in getname()  argument
206 	return getname_flags(filename, 0, NULL);  in getname()
209 struct filename *
210 getname_kernel(const char * filename)  in getname_kernel()  argument
212 	struct filename *result;  in getname_kernel()
213 	int len = strlen(filename) + 1;  in getname_kernel()
222 		struct filename *tmp;  in getname_kernel()
235 	memcpy((char *)result->name, filename, len);  in getname_kernel()
244 void putname(struct filename *name)  in putname()
1891 static int path_init(int dfd, const struct filename *name, unsigned int flags,  in path_init()
2013 static int path_lookupat(int dfd, const struct filename *name,  in path_lookupat()
2065 static int filename_lookup(int dfd, struct filename *name,  in filename_lookup()
2082 	struct filename *filename = getname_kernel(name);  in kern_path_locked()  local
2087 	if (IS_ERR(filename))  in kern_path_locked()
2088 		return ERR_CAST(filename);  in kern_path_locked()
2090 	err = filename_lookup(AT_FDCWD, filename, LOOKUP_PARENT, &nd);  in kern_path_locked()
2109 	putname(filename);  in kern_path_locked()
2116 	struct filename *filename = getname_kernel(name);  in kern_path()  local
2117 	int res = PTR_ERR(filename);  in kern_path()
2119 	if (!IS_ERR(filename)) {  in kern_path()
2120 		res = filename_lookup(AT_FDCWD, filename, flags, &nd);  in kern_path()
2121 		putname(filename);  in kern_path()
2141 	struct filename *filename = getname_kernel(name);  in vfs_path_lookup()  local
2142 	int err = PTR_ERR(filename);  in vfs_path_lookup()
2147 	if (!IS_ERR(filename)) {  in vfs_path_lookup()
2151 		err = filename_lookup(AT_FDCWD, filename,  in vfs_path_lookup()
2155 		putname(filename);  in vfs_path_lookup()
2226 	struct filename *tmp = getname_flags(name, flags, empty);  in user_path_at_empty()
2253 static struct filename *
2257 	struct filename *s = getname(path);  in user_path_parent()
2379 path_mountpoint(int dfd, const struct filename *name, struct path *path,  in path_mountpoint()
2409 filename_mountpoint(int dfd, struct filename *name, struct path *path,  in filename_mountpoint()
2944 		   int *opened, struct filename *name)  in do_last()
3180 static int do_tmpfile(int dfd, struct filename *pathname,  in do_tmpfile()
3242 static struct file *path_openat(int dfd, struct filename *pathname,  in path_openat()
3305 struct file *do_filp_open(int dfd, struct filename *pathname,  in do_filp_open()
3325 	struct filename *filename;  in do_file_open_root()  local
3334 	filename = getname_kernel(name);  in do_file_open_root()
3335 	if (unlikely(IS_ERR(filename)))  in do_file_open_root()
3336 		return ERR_CAST(filename);  in do_file_open_root()
3338 	file = path_openat(-1, filename, &nd, op, flags | LOOKUP_RCU);  in do_file_open_root()
3340 		file = path_openat(-1, filename, &nd, op, flags);  in do_file_open_root()
3342 		file = path_openat(-1, filename, &nd, op, flags | LOOKUP_REVAL);  in do_file_open_root()
3343 	putname(filename);  in do_file_open_root()
3347 static struct dentry *filename_create(int dfd, struct filename *name,  in filename_create()
3420 	struct filename *filename = getname_kernel(pathname);  in kern_path_create()  local
3423 	if (IS_ERR(filename))  in kern_path_create()
3424 		return ERR_CAST(filename);  in kern_path_create()
3425 	res = filename_create(dfd, filename, path, lookup_flags);  in kern_path_create()
3426 	putname(filename);  in kern_path_create()
3443 	struct filename *tmp = getname(pathname);  in user_path_create()
3498 SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,  in SYSCALL_DEFINE4()  argument
3510 	dentry = user_path_create(dfd, filename, &path, lookup_flags);  in SYSCALL_DEFINE4()
3540 SYSCALL_DEFINE3(mknod, const char __user *, filename, umode_t, mode, unsigned, dev)  in SYSCALL_DEFINE3()  argument
3542 	return sys_mknodat(AT_FDCWD, filename, mode, dev);  in SYSCALL_DEFINE3()
3668 	struct filename *name;  in do_rmdir()
3794 	struct filename *name;  in do_unlinkat()
3903 	struct filename *from;  in SYSCALL_DEFINE3()
4278 	struct filename *from;  in SYSCALL_DEFINE5()
4279 	struct filename *to;  in SYSCALL_DEFINE5()