643 int chown_common(const struct path *path, uid_t user, gid_t group)  in chown_common()  argument
653 	uid = make_kuid(current_user_ns(), user);  in chown_common()
663 	if (user != (uid_t) -1) {  in chown_common()
692 int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group,  in do_fchownat()  argument
712 	error = chown_common(&path, user, group);  in do_fchownat()
724 SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user,  in SYSCALL_DEFINE5()  argument
727 	return do_fchownat(dfd, filename, user, group, flag);  in SYSCALL_DEFINE5()
730 SYSCALL_DEFINE3(chown, const char __user *, filename, uid_t, user, gid_t, group)  in SYSCALL_DEFINE3()  argument
732 	return do_fchownat(AT_FDCWD, filename, user, group, 0);  in SYSCALL_DEFINE3()
735 SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group)  in SYSCALL_DEFINE3()  argument
737 	return do_fchownat(AT_FDCWD, filename, user, group,  in SYSCALL_DEFINE3()
741 int vfs_fchown(struct file *file, uid_t user, gid_t group)  in vfs_fchown()  argument
749 	error = chown_common(&file->f_path, user, group);  in vfs_fchown()
754 int ksys_fchown(unsigned int fd, uid_t user, gid_t group)  in ksys_fchown()  argument
760 		error = vfs_fchown(f.file, user, group);  in ksys_fchown()
766 SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)  in SYSCALL_DEFINE3()  argument
768 	return ksys_fchown(fd, user, group);  in SYSCALL_DEFINE3()