Move get_regs error check from trace_syscall_entering to get_scno

Starting with commit v4.10-25-g8497b62, get_scno() can be called outside
trace_syscall_entering(), so move the get_regs_error check from
trace_syscall_entering() to get_scno().

* syscall.c (trace_syscall_entering): Move get_regs_error check ...
(get_scno): ... here.
1 file changed