1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 3665d287780f..f6d244db9203 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -745,7 +745,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
         /* Copy registers */
         sp -= sizeof(struct pt_regs);
         childregs = (struct pt_regs *) sp;
-        if (!regs) {
+        if (unlikely(p->flags & PF_KTHREAD)) {
                 struct thread_info *ti = (void *)task_stack_page(p);
                 memset(childregs, 0, sizeof(struct pt_regs));
                 childregs->gpr[1] = sp + sizeof(struct pt_regs);