diff --git a/[refs] b/[refs]
index 15f25b33978e..cd9d941c9cf4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c4144670fd9b34d6eae22c9f83751745898e8243
+refs/heads/master: 8cddebd767c5059257022cfbc2ac53fd81c09c94
diff --git a/trunk/arch/um/kernel/syscall.c b/trunk/arch/um/kernel/syscall.c
index a81f3705e90f..3a875226c8ef 100644
--- a/trunk/arch/um/kernel/syscall.c
+++ b/trunk/arch/um/kernel/syscall.c
@@ -16,23 +16,19 @@
 
 long sys_fork(void)
 {
-	return do_fork(SIGCHLD, UPT_SP(&current->thread.regs.regs),
+	return do_fork(SIGCHLD, 0,
 		      &current->thread.regs, 0, NULL, NULL);
 }
 
 long sys_vfork(void)
 {
-	return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
-		      UPT_SP(&current->thread.regs.regs),
+	return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, 0,
 		      &current->thread.regs, 0, NULL, NULL);
 }
 
 long sys_clone(unsigned long clone_flags, unsigned long newsp,
 	       void __user *parent_tid, void __user *child_tid)
 {
-	if (!newsp)
-		newsp = UPT_SP(&current->thread.regs.regs);
-
 	return do_fork(clone_flags, newsp, &current->thread.regs, 0, parent_tid,
 		      child_tid);
 }