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

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Message-ID: <20210107101544.68bdd395@canb.auug.org.au>
Date:   Thu, 7 Jan 2021 10:15:44 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Al Viro <viro@...IV.linux.org.uk>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build warning after merge of the vfs tree

Hi all,

After merging the vfs tree, today's linux-next build (x86_64 allmodconfig)
produced this warning:

In file included from fs/erofs/xattr.h:10,
                 from fs/erofs/namei.c:7:
fs/erofs/namei.c: In function 'erofs_lookup':
fs/erofs/internal.h:23:21: warning: format '%s' expects argument of type 'char *', but argument 4 has type 'struct dentry *' [-Wformat=]
   23 | #define pr_fmt(fmt) "erofs: " fmt
      |                     ^~~~~~~~~
include/linux/dynamic_debug.h:129:15: note: in expansion of macro 'pr_fmt'
  129 |   func(&id, ##__VA_ARGS__);  \
      |               ^~~~~~~~~~~
include/linux/dynamic_debug.h:147:2: note: in expansion of macro '__dynamic_func_call'
  147 |  __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
      |  ^~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:157:2: note: in expansion of macro '_dynamic_func_call'
  157 |  _dynamic_func_call(fmt, __dynamic_pr_debug,  \
      |  ^~~~~~~~~~~~~~~~~~
include/linux/printk.h:424:2: note: in expansion of macro 'dynamic_pr_debug'
  424 |  dynamic_pr_debug(fmt, ##__VA_ARGS__)
      |  ^~~~~~~~~~~~~~~~
fs/erofs/internal.h:34:33: note: in expansion of macro 'pr_debug'
   34 | #define erofs_dbg(x, ...)       pr_debug(x "\n", ##__VA_ARGS__)
      |                                 ^~~~~~~~
fs/erofs/namei.c:237:3: note: in expansion of macro 'erofs_dbg'
  237 |   erofs_dbg("%pd, %s (nid %llu) found, d_type %u", __func__,
      |   ^~~~~~~~~

Introduced by commit

  879d4376533c ("erofs: use %pd instead of messing with ->d_name")

-- 
Cheers,
Stephen Rothwell

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