diff options
Diffstat (limited to 'arch/um/sys-i386/syscalls.c')
-rw-r--r-- | arch/um/sys-i386/syscalls.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/um/sys-i386/syscalls.c b/arch/um/sys-i386/syscalls.c index 1845123ed124..749dd1bfe60f 100644 --- a/arch/um/sys-i386/syscalls.c +++ b/arch/um/sys-i386/syscalls.c | |||
@@ -61,21 +61,27 @@ long old_select(struct sel_arg_struct __user *arg) | |||
61 | return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp); | 61 | return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp); |
62 | } | 62 | } |
63 | 63 | ||
64 | /* The i386 version skips reading from %esi, the fourth argument. So we must do | 64 | /* |
65 | * this, too. | 65 | * The prototype on i386 is: |
66 | * | ||
67 | * int clone(int flags, void * child_stack, int * parent_tidptr, struct user_desc * newtls, int * child_tidptr) | ||
68 | * | ||
69 | * and the "newtls" arg. on i386 is read by copy_thread directly from the | ||
70 | * register saved on the stack. | ||
66 | */ | 71 | */ |
67 | long sys_clone(unsigned long clone_flags, unsigned long newsp, | 72 | long sys_clone(unsigned long clone_flags, unsigned long newsp, |
68 | int __user *parent_tid, int unused, int __user *child_tid) | 73 | int __user *parent_tid, void *newtls, int __user *child_tid) |
69 | { | 74 | { |
70 | long ret; | 75 | long ret; |
71 | 76 | ||
72 | if (!newsp) | 77 | if (!newsp) |
73 | newsp = UPT_SP(¤t->thread.regs.regs); | 78 | newsp = UPT_SP(¤t->thread.regs.regs); |
79 | |||
74 | current->thread.forking = 1; | 80 | current->thread.forking = 1; |
75 | ret = do_fork(clone_flags, newsp, ¤t->thread.regs, 0, parent_tid, | 81 | ret = do_fork(clone_flags, newsp, ¤t->thread.regs, 0, parent_tid, |
76 | child_tid); | 82 | child_tid); |
77 | current->thread.forking = 0; | 83 | current->thread.forking = 0; |
78 | return(ret); | 84 | return ret; |
79 | } | 85 | } |
80 | 86 | ||
81 | /* | 87 | /* |