syscall: set -ENOSYS to syscall_return before calling ptrace_syscall_enter

refs #943
2017-09-26 14:25:49 +09:00
parent a2fbe99b60
commit df3f388e09
3 changed files with 27 additions and 3 deletions
--- a/kernel/syscall.c
+++ b/kernel/syscall.c
@@ -9928,7 +9928,9 @@ long syscall(int num, ihk_mc_user_context_t *ctx)
 	cpu_enable_interrupt();

 	if (cpu_local_var(current)->proc->ptrace) {
+		ihk_mc_syscall_ret(ctx) = -ENOSYS;
 		ptrace_syscall_enter(cpu_local_var(current));
+		num = ihk_mc_syscall_number(ctx);
 	}

 #if 0