From 8cddebd767c5059257022cfbc2ac53fd81c09c94 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 17 Oct 2012 02:26:48 -0400 Subject: [PATCH] um: don't bother with passing sp to do_fork() for fork(2)/vfork(2) copy_thread() on um will do the right thing when getting 0 for sp... Signed-off-by: Al Viro --- arch/um/kernel/syscall.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c index a81f3705e90..3a875226c8e 100644 --- a/arch/um/kernel/syscall.c +++ b/arch/um/kernel/syscall.c @@ -16,23 +16,19 @@ long sys_fork(void) { - return do_fork(SIGCHLD, UPT_SP(¤t->thread.regs.regs), + return do_fork(SIGCHLD, 0, ¤t->thread.regs, 0, NULL, NULL); } long sys_vfork(void) { - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, - UPT_SP(¤t->thread.regs.regs), + return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, 0, ¤t->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(¤t->thread.regs.regs); - return do_fork(clone_flags, newsp, ¤t->thread.regs, 0, parent_tid, child_tid); }