On Mon, Feb 01, 2010 at 11:40:29PM +0100, Andreas Schwab wrote:
> > Index: linux-2.6/fs/compat.c
> > ===================================================================
> > --- linux-2.6.orig/fs/compat.c 2010-01-12 14:08:16.202003005 +0100
> > +++ linux-2.6/fs/compat.c 2010-01-29 23:35:20.187003404 +0100
> > @@ -1795,6 +1795,24 @@ asmlinkage long compat_sys_select(int n,
> > return ret;
> > }
> >
> > +struct compat_sel_arg_struct {
> > + compat_ulong_t n;
> > + compat_ulong_t inp;
> > + compat_ulong_t outp;
> > + compat_ulong_t exp;
> > + compat_ulong_t tvp;
> > +};
>
> Shouldn't the last four be compat_uptr_t?
Strictly speaking yes, although it doesn't matter for the generated
code. The patch below makes it use the strictly correct type:
Index: linux-2.6/fs/compat.c
===================================================================
--- linux-2.6.orig/fs/compat.c 2010-02-02 09:20:16.207003623 +0100
+++ linux-2.6/fs/compat.c 2010-02-02 09:20:53.554012789 +0100
@@ -1797,10 +1797,10 @@ asmlinkage long compat_sys_select(int n,
struct compat_sel_arg_struct {
compat_ulong_t n;
- compat_ulong_t inp;
- compat_ulong_t outp;
- compat_ulong_t exp;
- compat_ulong_t tvp;
+ compat_uptr_t inp;
+ compat_uptr_t outp;
+ compat_uptr_t exp;
+ compat_uptr_t tvp;
};
asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg)
--
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