make ipc/util.c:sysvipc_find_ipc() static
[sfrench/cifs-2.6.git] / kernel / ptrace.c
index e6e9b8be4b053c5f0074bdeca6f1a4ac9517e8fb..74730e0c1be1a46ce08d8a753403d26b756b9d36 100644 (file)
@@ -51,9 +51,9 @@ void __ptrace_link(struct task_struct *child, struct task_struct *new_parent)
 void ptrace_untrace(struct task_struct *child)
 {
        spin_lock(&child->sighand->siglock);
-       if (child->state == TASK_TRACED) {
+       if (task_is_traced(child)) {
                if (child->signal->flags & SIGNAL_STOP_STOPPED) {
-                       child->state = TASK_STOPPED;
+                       __set_task_state(child, TASK_STOPPED);
                } else {
                        signal_wake_up(child, 1);
                }
@@ -79,7 +79,7 @@ void __ptrace_unlink(struct task_struct *child)
                add_parent(child);
        }
 
-       if (child->state == TASK_TRACED)
+       if (task_is_traced(child))
                ptrace_untrace(child);
 }
 
@@ -103,18 +103,16 @@ int ptrace_check_attach(struct task_struct *child, int kill)
            && child->signal != NULL) {
                ret = 0;
                spin_lock_irq(&child->sighand->siglock);
-               if (child->state == TASK_STOPPED) {
+               if (task_is_stopped(child))
                        child->state = TASK_TRACED;
-               } else if (child->state != TASK_TRACED && !kill) {
+               else if (!task_is_traced(child) && !kill)
                        ret = -ESRCH;
-               }
                spin_unlock_irq(&child->sighand->siglock);
        }
        read_unlock(&tasklist_lock);
 
-       if (!ret && !kill) {
+       if (!ret && !kill)
                wait_task_inactive(child);
-       }
 
        /* All systems go.. */
        return ret;