xen: fix MSI setup and teardown for PV on HVM guests

[pandora-kernel.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index e87aaaa..3b159c5 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -908,6 +908,8 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
        sig->oom_adj = current->signal->oom_adj;
        sig->oom_score_adj = current->signal->oom_score_adj;
 
+       mutex_init(&sig->cred_guard_mutex);
+
        return 0;
 }