linux-kernel - [PATCH 5.3 092/344] RAS: Build debugfs.o only when enabled in Kconfig

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Message-Id: <20191003154549.261953614@linuxfoundation.org>
Date:   Thu,  3 Oct 2019 17:50:57 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, kbuild test robot <lkp@...el.com>,
        Valdis Kletnieks <valdis.kletnieks@...edu>,
        Borislav Petkov <bp@...e.de>, Tony Luck <tony.luck@...el.com>,
        linux-edac@...r.kernel.org, x86@...nel.org,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.3 092/344] RAS: Build debugfs.o only when enabled in Kconfig

From: Valdis Kletnieks <valdis.kletnieks@...edu>

[ Upstream commit b6ff24f7b5101101ff897dfdde3f37924e676bc2 ]

In addition, the 0day bot reported this build error:

  >> drivers/ras/debugfs.c:10:5: error: redefinition of 'ras_userspace_consumers'
      int ras_userspace_consumers(void)
          ^~~~~~~~~~~~~~~~~~~~~~~
     In file included from drivers/ras/debugfs.c:3:0:
     include/linux/ras.h:14:19: note: previous definition of 'ras_userspace_consumers' was here
      static inline int ras_userspace_consumers(void) { return 0; }
                      ^~~~~~~~~~~~~~~~~~~~~~~

for a riscv-specific .config where CONFIG_DEBUG_FS is not set. Fix all
that by making debugfs.o depend on that define.

 [ bp: Rewrite commit message. ]

Reported-by: kbuild test robot <lkp@...el.com>
Signed-off-by: Valdis Kletnieks <valdis.kletnieks@...edu>
Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Tony Luck <tony.luck@...el.com>
Cc: linux-edac@...r.kernel.org
Cc: x86@...nel.org
Link: http://lkml.kernel.org/r/7053.1565218556@turing-police
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/ras/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/ras/Makefile b/drivers/ras/Makefile
index ef6777e14d3df..6f0404f501071 100644
--- a/drivers/ras/Makefile
+++ b/drivers/ras/Makefile
@@ -1,3 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_RAS)	+= ras.o debugfs.o
+obj-$(CONFIG_RAS)	+= ras.o
+obj-$(CONFIG_DEBUG_FS)	+= debugfs.o
 obj-$(CONFIG_RAS_CEC)	+= cec.o
-- 
2.20.1