x86/vm86: Set thread.vm86 to NULL on fork/clone

[cascardo/linux.git] / arch / x86 / kernel / process.c

diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index e28db18..9f7c21c 100644 (file)
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -84,6 +84,9 @@ EXPORT_SYMBOL_GPL(idle_notifier_unregister);
 int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
 {
        memcpy(dst, src, arch_task_struct_size);
+#ifdef CONFIG_VM86
+       dst->thread.vm86 = NULL;
+#endif
 
        return fpu__copy(&dst->thread.fpu, &src->thread.fpu);
 }