diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/amd64/amd64/syscall.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/arch/amd64/amd64/syscall.c b/sys/arch/amd64/amd64/syscall.c index e80fe94..68235d5 100644 --- a/sys/arch/amd64/amd64/syscall.c +++ b/sys/arch/amd64/amd64/syscall.c @@ -42,7 +42,8 @@ __syscall(struct trapframe *tf) .sp = tf->rsp }; - if (args.code < __MAX_SYSCALLS) { - tf->rax = g_syscall_table[tf->rax](&args); + if (args.code < __MAX_SYSCALLS && args.code > 0) { + args.code -= 1; + tf->rax = g_syscall_table[args.code](&args); } } |