Re: [PATCH] Audit: push audit success and retcode into arch ptrace.h
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- To: Tony Luck <tony.luck@xxxxxxxxx>
- Subject: Re: [PATCH] Audit: push audit success and retcode into arch ptrace.h
- From: Richard Weinberger <richard@xxxxxx>
- Date: Fri, 3 Jun 2011 01:03:46 +0200
- Cc: Eric Paris <eparis@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, fenghua.yu@xxxxxxxxx, monstr@xxxxxxxxx, ralf@xxxxxxxxxxxxxx, benh@xxxxxxxxxxxxxxxxxxx, paulus@xxxxxxxxx, schwidefsky@xxxxxxxxxx, heiko.carstens@xxxxxxxxxx, linux390@xxxxxxxxxx, lethal@xxxxxxxxxxxx, davem@xxxxxxxxxxxxx, jdike@xxxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, hpa@xxxxxxxxx, x86@xxxxxxxxxx, viro@xxxxxxxxxxxxxxxxxx, oleg@xxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, microblaze-uclinux@xxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, user-mode-linux-devel@xxxxxxxxxxxxxxxxxxxxx
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Am Freitag 03 Juni 2011, 01:00:51 schrieb Tony Luck:
> > But there seems to be another problem.
> > Why is pt_regs of type void *?
> >
> > gcc complains:
> > In file included from include/linux/fsnotify.h:15:0,
> > from include/linux/security.h:26,
> > from init/main.c:32:
> > include/linux/audit.h: In function ‘audit_syscall_exit’:
> > include/linux/audit.h:440:17: warning: dereferencing ‘void *’ pointer
> > include/linux/audit.h:440:3: error: invalid use of void expression
> > include/linux/audit.h:441:21: warning: dereferencing ‘void *’ pointer
> > include/linux/audit.h:441:21: error: void value not ignored as it ought
> > to be
>
> Perhaps same issue on ia64 - but symptoms are different:
The void * pointer is the problem.
On UML it builds fine when I cast it:
#define regs_return_value(r) UPT_SYSCALL_RET((struct uml_pt_regs *)r)
I'll test it tomorrow in detail, for now I'm too sleepy.
Thanks,
//richard
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