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um: Get rid of open coded NR_SYSCALLS

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We can use __NR_syscall_max.

Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Richard Weinberger 2015-10-25 20:28:14 +01:00
parent 1d80f0cda1
commit f10e6d652b
1 changed files with 3 additions and 5 deletions
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8
arch/um/kernel/skas/syscall.c
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@ -10,9 +10,6 @@
#include <sysdep/syscalls.h>
#include <os.h>
extern int syscall_table_size;
#define NR_SYSCALLS (syscall_table_size / sizeof(void *))
void handle_syscall(struct uml_pt_regs *r)
{
struct pt_regs *regs = container_of(r, struct pt_regs, regs);
@ -26,9 +23,10 @@ void handle_syscall(struct uml_pt_regs *r)
syscall = get_syscall(r);
if ((syscall >= NR_SYSCALLS) || (syscall < 0))
if ((syscall > __NR_syscall_max) || syscall < 0)
result = -ENOSYS;
else result = EXECUTE_SYSCALL(syscall, regs);
else
result = EXECUTE_SYSCALL(syscall, regs);
out:
PT_REGS_SET_SYSCALL_RETURN(regs, result);