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

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Message-ID: <20240306105150.06a456da@canb.auug.org.au>
Date: Wed, 6 Mar 2024 10:51:50 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Christian Brauner <brauner@...nel.org>
Cc: Tong Tiangen <tongtiangen@...wei.com>, Linus Torvalds
 <torvalds@...ux-foundation.org>, 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-brauner tree

Hi all,

After merging the vfs-brauner tree, today's linux-next build (arm
multi_v7_defconfig) produced this warning:

fs/coredump.c: In function 'dump_user_range':
fs/coredump.c:923:40: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  923 | #define dump_page_copy(src, dst) ((dst), (src))
      |                                        ^
fs/coredump.c:948:58: note: in expansion of macro 'dump_page_copy'
  948 |                         int stop = !dump_emit_page(cprm, dump_page_copy(page, dump_page));
      |                                                          ^~~~~~~~~~~~~~

Introduced by commit

  4630f2caafcd ("coredump: get machine check errors early rather than during iov_iter")

-- 
Cheers,
Stephen Rothwell

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