vserver 1.9.3

[linux-2.6.git] / arch / v850 / kernel / ptrace.c

diff --git a/arch/v850/kernel/ptrace.c b/arch/v850/kernel/ptrace.c
index 7d25547..bf43ea6 100644 (file)
--- a/arch/v850/kernel/ptrace.c
+++ b/arch/v850/kernel/ptrace.c
@@ -149,14 +149,8 @@ int sys_ptrace(long request, long pid, long addr, long data)
                rval = ptrace_attach(child);
                goto out_tsk;
        }
-       rval = -ESRCH;
-       if (!(child->ptrace & PT_PTRACED))
-               goto out_tsk;
-       if (child->state != TASK_STOPPED) {
-               if (request != PTRACE_KILL)
-                       goto out_tsk;
-       }
-       if (child->parent != current)
+       ret = ptrace_check_attach(child, request == PTRACE_KILL);
+       if (ret < 0)
                goto out_tsk;
 
        switch (request) {
@@ -271,11 +265,8 @@ asmlinkage void syscall_trace(void)
                return;
        /* The 0x80 provides a way for the tracing parent to distinguish
           between a syscall stop and SIGTRAP delivery */
-       current->exit_code = SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
-                                       ? 0x80 : 0);
-       current->state = TASK_STOPPED;
-       notify_parent(current, SIGCHLD);
-       schedule();
+       ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
+                                ? 0x80 : 0));
        /*
         * this isn't the same as continuing with a signal, but it will do
         * for normal use.  strace only continues with a signal if the