diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index afb819f4ca68bee0f88fab357ffe9395508dc106..714c3480c52dcca8761a9d9e2a24e9eaad0a6256 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -3266,12 +3266,17 @@ long do_syscall_trace_enter(struct pt_regs *regs) user_exit(); if (test_thread_flag(TIF_SYSCALL_EMU)) { - ptrace_report_syscall(regs); /* + * A nonzero return code from tracehook_report_syscall_entry() + * tells us to prevent the syscall execution, but we are not + * going to execute it anyway. + * * Returning -1 will skip the syscall execution. We want to * avoid clobbering any register also, thus, not 'gotoing' * skip label. */ + if (tracehook_report_syscall_entry(regs)) + ; return -1; }