linux-kernel - Re: [PATCH v2] eventfs: Test for ei->is

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Message-ID: <20231029091408.0179cee4@rorschach.local.home>
Date:   Sun, 29 Oct 2023 09:14:08 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux trace kernel <linux-trace-kernel@...r.kernel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Arnd Bergmann <arnd@...db.de>,
        "Naresh Kamboju <naresh.kamboju@...aro.org>, Beau Belgrave
        <beaub@...ux.microsoft.com>, Ajay Kaher <akaher@...are.com>, Andrew
        Morton" <akpm@...ux-foundation.org>, lkft-triage@...ts.linaro.org
Subject: Re: [PATCH v2] eventfs: Test for ei->is_freed when accessing
 ei->dentry

On Sun, 29 Oct 2023 12:31:54 +0530
Naresh Kamboju <naresh.kamboju@...aro.org> wrote:

> Following build errors have been noticed.
> 
> fs/tracefs/event_inode.c:348:1: error: return type defaults to 'int'
> [-Werror=implicit-int]
>   348 | create_dir_dentry(struct eventfs_inode *pei, struct eventfs_inode *ei,
>       | ^~~~~~~~~~~~~~~~~
> In file included from include/uapi/linux/posix_types.h:5,
>                  from include/uapi/linux/types.h:14,
>                  from include/linux/types.h:6,
>                  from include/linux/kasan-checks.h:5,
>                  from include/asm-generic/rwonce.h:26,
>                  from ./arch/x86/include/generated/asm/rwonce.h:1,

This patch passed all my tests, I have no idea how the above happened.
The "return type defaults to int" tells me the "static struct dentry *"
part of the patch may have been clipped.

Are you sure it was applied correctly? Perhaps check out the branch I
have and let me know if you get the same errors.

git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git trace/core

-- Steve