343 static long do_fcntl(int fd, unsigned int cmd, unsigned long arg,  in do_fcntl()  argument
348 	switch (cmd) {  in do_fcntl()
353 		err = alloc_fd(arg, cmd == F_DUPFD_CLOEXEC ? O_CLOEXEC : 0);  in do_fcntl()
377 		err = fcntl_setlk(fd, filp, cmd, (struct flock __user *) arg);  in do_fcntl()
421 		err = pipe_fcntl(filp, cmd, arg);  in do_fcntl()
429 static int check_fcntl_cmd(unsigned cmd)  in check_fcntl_cmd()  argument
431 	switch (cmd) {  in check_fcntl_cmd()
442 SYSCALL_DEFINE3(fcntl, unsigned int, fd, unsigned int, cmd, unsigned long, arg)  in SYSCALL_DEFINE3()  argument
452 		if (!check_fcntl_cmd(cmd)) {  in SYSCALL_DEFINE3()
458 	err = security_file_fcntl(filp, cmd, arg);  in SYSCALL_DEFINE3()
464 	err = do_fcntl(fd, cmd, arg, filp);  in SYSCALL_DEFINE3()
472 SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,  in SYSCALL_DEFINE3()  argument
484 		if (!check_fcntl_cmd(cmd)) {  in SYSCALL_DEFINE3()
490 	err = security_file_fcntl(filp, cmd, arg);  in SYSCALL_DEFINE3()
497 	switch (cmd) {  in SYSCALL_DEFINE3()
503 			err = fcntl_setlk64(fd, filp, cmd,  in SYSCALL_DEFINE3()
507 			err = do_fcntl(fd, cmd, arg, filp);  in SYSCALL_DEFINE3()