Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable

[Marin Ramesa]

On 18.12.2013 11:34:03, Richard Braun wrote:
> On Wed, Dec 18, 2013 at 11:25:36AM +0100, Marin Ramesa wrote:
> > Yes, vou're right. I got confused. But then something else is
> > happening here. When I write the assertion this way: 
> > 
> > assert((entry == IE_NULL) ||  ((entry != IE_NULL) ? IE_BITS_TYPE
> > (entry->ie_bits) : TRUE));
> > 
> > GCC stops complaing about uninitialized variable.
> 
> I don't get this warning, can you tell us how you configure GNU 
> Mach ?

--enable-kdb --prefix=

But the warning is turned off by: 

ipc_port_t notify_port = 0;

in ipc/ipc_kmsg.c.

I don't think that's a good solution. I think something else is 
happening here.