Commit 8751b6e9 authored by Sven Schnelle's avatar Sven Schnelle Committed by Vasily Gorbik
Browse files

s390/syscall: Simplify syscall_get_arguments() 



Replace the while loop and if statement with a simple for loop
to make the code easier to understand.

Signed-off-by: default avatarSven Schnelle <svens@linux.ibm.com>
Reviewed-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent cbf367d5

arch/s390/include/asm/syscall.h

+2 −4
Original line number Diff line number Diff line
@@ -65,15 +65,13 @@ static inline void syscall_get_arguments(struct task_struct *task, 
					 unsigned long *args)

{

	unsigned long mask = -1UL;

	unsigned int n = 6;



#ifdef CONFIG_COMPAT

	if (test_tsk_thread_flag(task, TIF_31BIT))

		mask = 0xffffffff;

#endif

	while (n-- > 0)

		if (n > 0)

			args[n] = regs->gprs[2 + n] & mask;

	for (int i = 1; i < 6; i++)

		args[i] = regs->gprs[2 + i] & mask;



	args[0] = regs->orig_gpr2 & mask;

}