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Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC
From: |
Marin Ramesa |
Subject: |
Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable |
Date: |
Wed, 18 Dec 2013 12:15:32 +0100 |
On 18.12.2013 12:00:49, Richard Braun wrote:
> On Wed, Dec 18, 2013 at 11:40:09AM +0100, Marin Ramesa wrote:
> > On 18.12.2013 11:34:03, Richard Braun wrote:
> > > 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.
>
> How can a local variable in ipc_kmsg.c have any effect on another
> local variable in ipc_entry.c ??
Yes, my change doesn't clear the warning. I forgot to do 'make clean'
and rebuild. The patch is completely wrong.
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable, (continued)
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable, Marin Ramesa, 2013/12/18
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable, Richard Braun, 2013/12/18
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable, Richard Braun, 2013/12/18
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable, Marin Ramesa, 2013/12/18
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable, Marin Ramesa, 2013/12/18
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable, Richard Braun, 2013/12/18
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable, Marin Ramesa, 2013/12/18
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable, Richard Braun, 2013/12/18
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable, Marin Ramesa, 2013/12/18
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable, Richard Braun, 2013/12/18
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable,
Marin Ramesa <=
- Re: [PATCH 1/3] ipc: avoid dereference of null pointer and quiet the GCC warning about uninitialized variable, Ivan Shmakov, 2013/12/18