1 files changed, 1 insertions, 3 deletions
diff --git a/syscall.c b/syscall.c
index 45f758e..799ebc2 100644
--- a/syscall.c
+++ b/syscall.c
@@ -129,9 +129,7 @@ syscall(void)
   int num;
 
   num = proc->tf->eax;
-  if(num >= 0 && num < SYS_open && syscalls[num]) {
-    proc->tf->eax = syscalls[num]();
-  } else if (num >= SYS_open && num < NELEM(syscalls) && syscalls[num]) {
+  if(num > 0 && num < NELEM(syscalls) && syscalls[num]) {
     proc->tf->eax = syscalls[num]();
   } else {
     cprintf("%d %s: unknown sys call %d\n",