linux-kernel - Re: linux-next: build warning after merge of the vfs tree

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Date:   Tue, 26 Mar 2019 10:05:20 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Al Viro <viro@...IV.linux.org.uk>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        David Howells <dhowells@...hat.com>
Subject: Re: linux-next: build warning after merge of the vfs tree

Hi all,

On Mon, 18 Mar 2019 11:00:50 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> On Mon, 4 Feb 2019 09:33:34 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > After merging the vfs tree, today's linux-next build (arm
> > multi_v7_defconfig) produced this warning:
> > 
> > In file included from include/linux/printk.h:7,
> >                  from include/linux/kernel.h:14,
> >                  from include/linux/fs_context.h:15,
> >                  from fs/fs_parser.c:13:
> > fs/fs_parser.c: In function 'fs_validate_description':
> > include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'int' [-Wformat=]
> >  #define KERN_SOH "\001"  /* ASCII Start Of Header */
> >                   ^~~~~~
> > include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
> >  #define KERN_ERR KERN_SOH "3" /* error conditions */
> >                   ^~~~~~~~
> > include/linux/printk.h:303:9: note: in expansion of macro 'KERN_ERR'
> >   printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
> >          ^~~~~~~~
> > fs/fs_parser.c:413:6: note: in expansion of macro 'pr_err'
> >       pr_err("VALIDATE %s: e[%lu] enum val for %s\n",
> >       ^~~~~~
> > fs/fs_parser.c:413:31: note: format string is defined here
> >       pr_err("VALIDATE %s: e[%lu] enum val for %s\n",
> >                              ~~^
> >                              %u
> > 
> > Introduced by commit
> > 
> >   f512b838c104 ("vfs: Add configuration parser helpers")  
> 
> We are now seeing that warning in Linus' tree :-(

I am still getting the above warning ...

-- 
Cheers,
Stephen Rothwell

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