Gemini: gpiolib based GPIO support v2

[linux-2.6-omap-h63xx.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index e8e854a04ad2aa87927de3102bc4d2e1a5d87c04..4854c2c4a82eae9ed1032ee1b66abc46124499ad 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1006,6 +1006,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
         * triggers too late. This doesn't hurt, the check is only there
         * to stop root fork bombs.
         */
+       retval = -EAGAIN;
        if (nr_threads >= max_threads)
                goto bad_fork_cleanup_count;
 
@@ -1094,7 +1095,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 #ifdef CONFIG_DEBUG_MUTEXES
        p->blocked_on = NULL; /* not blocked yet */
 #endif
-       if (unlikely(ptrace_reparented(current)))
+       if (unlikely(current->ptrace))
                ptrace_fork(p, clone_flags);
 
        /* Perform scheduler related setup. Assign this task to a CPU. */
@@ -1178,10 +1179,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 #endif
        clear_all_latency_tracing(p);
 
-       /* Our parent execution domain becomes current domain
-          These must match for thread signalling to apply */
-       p->parent_exec_id = p->self_exec_id;
-
        /* ok, now we should be set up.. */
        p->exit_signal = (clone_flags & CLONE_THREAD) ? -1 : (clone_flags & CSIGNAL);
        p->pdeath_signal = 0;
@@ -1219,10 +1216,13 @@ static struct task_struct *copy_process(unsigned long clone_flags,
                set_task_cpu(p, smp_processor_id());
 
        /* CLONE_PARENT re-uses the old parent */
-       if (clone_flags & (CLONE_PARENT|CLONE_THREAD))
+       if (clone_flags & (CLONE_PARENT|CLONE_THREAD)) {
                p->real_parent = current->real_parent;
-       else
+               p->parent_exec_id = current->parent_exec_id;
+       } else {
                p->real_parent = current;
+               p->parent_exec_id = current->self_exec_id;
+       }
 
        spin_lock(&current->sighand->siglock);