On Mon, Apr 11, 2011 at 12:42:49PM -0500, Nathan Lynch wrote:
> On Mon, 2011-04-11 at 12:42 -0400, Michael Santos wrote:
> > ---
> > src/lxc/namespace.c | 7 ++++++-
> > 1 files changed, 6 insertions(+), 1 deletions(-)
> >
> > diff --git a/src/lxc/namespace.c b/src/lxc/namespace.c
> > index 8263fe7..5928eaa 100644
> > --- a/src/lxc/namespace.c
> > +++ b/src/lxc/namespace.c
> > @@ -67,9 +67,14 @@ pid_t lxc_clone(int (*fn)(void *), void *arg, int flags)
> > };
> >
> > long stack_size = sysconf(_SC_PAGESIZE);
> > - void *stack = alloca(stack_size) + stack_size;
> > + void *stack = alloca(stack_size);
> > pid_t ret;
> >
> > + if (stack == NULL)
> > + ERROR("failed to allocate memory");
> > +
> > + stack += stack_size;
> > +
>
> Please see the man page, in particular "Notes on the GNU Version" and
> "BUGS", for why this patch doesn't really make sense.
>
> http://www.kernel.org/doc/man-pages/online/pages/man3/alloca.3.html
And I was sure I checked the man page and it said NULL is returned :)
Thank you for the correction!
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