openrisc: switch to use of generic fork and clone

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 3 insertions, 2 deletions

diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c
index e0874b8e09e4..6b853668369b 100644
--- a/arch/openrisc/kernel/process.c
+++ b/arch/openrisc/kernel/process.c
@@ -168,9 +168,10 @@ copy_thread(unsigned long clone_flags, unsigned long usp,
                 kregs->gpr[20] = usp; /* fn, kernel thread */
                 kregs->gpr[22] = arg;
         } else {
-                *userregs = *regs;
+                *userregs = *current_pt_regs();
 
-                userregs->sp = usp;
+                if (usp)
+                        userregs->sp = usp;
                 userregs->gpr[11] = 0;  /* Result from fork() */
 
                 kregs->gpr[20] = 0;     /* Userspace thread */