ptrace: revert "ptrace_detach: the wrong wakeup breaks the ERESTARTxxx logic"

[sfrench/cifs-2.6.git] / kernel / ptrace.c

diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 0692ab5a0d672341000d1697d7c308c566060fb4..42c317874cfa8d2703c13f3c44757a6f397459ac 100644 (file)
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -304,6 +304,8 @@ int ptrace_detach(struct task_struct *child, unsigned int data)
        if (child->ptrace) {
                child->exit_code = data;
                dead = __ptrace_detach(current, child);
+               if (!child->exit_state)
+                       wake_up_process(child);
        }
        write_unlock_irq(&tasklist_lock);