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authorRobert Morris <[email protected]>2012-08-28 12:57:13 -0400
committerRobert Morris <[email protected]>2012-08-28 12:57:13 -0400
commitc1ee7eb4d31bd17e48857479fec8f4c2065d4b7d (patch)
treee54d9304b6f5d90bdf7a926808fd7d5923d39526 /syscall.c
parent8960f60b30b69a1f45ffa9d8b2b204714725f1fa (diff)
parent951b77f7eced2165312d5c12d6256e874dba10f8 (diff)
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Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6
Diffstat (limited to 'syscall.c')
-rw-r--r--syscall.c4
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",