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Message-ID: <lsq.1572026582.875622585@decadent.org.uk>
Date:   Fri, 25 Oct 2019 19:03:47 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, Denis Kirjanov <kda@...ux-powerpc.org>,
        "Dmitry Torokhov" <dmitry.torokhov@...il.com>,
        "Hulk Robot" <hulkci@...wei.com>,
        "YueHaibing" <yuehaibing@...wei.com>
Subject: [PATCH 3.16 46/47] Input: psmouse - fix build error of multiple
 definition

3.16.76-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: YueHaibing <yuehaibing@...wei.com>

commit 49e6979e7e92cf496105b5636f1df0ac17c159c0 upstream.

trackpoint_detect() should be static inline while
CONFIG_MOUSE_PS2_TRACKPOINT is not set, otherwise, we build fails:

drivers/input/mouse/alps.o: In function `trackpoint_detect':
alps.c:(.text+0x8e00): multiple definition of `trackpoint_detect'
drivers/input/mouse/psmouse-base.o:psmouse-base.c:(.text+0x1b50): first defined here

Reported-by: Hulk Robot <hulkci@...wei.com>
Fixes: 55e3d9224b60 ("Input: psmouse - allow disabing certain protocol extensions")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/input/mouse/trackpoint.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/input/mouse/trackpoint.h
+++ b/drivers/input/mouse/trackpoint.h
@@ -148,7 +148,8 @@ struct trackpoint_data
 #ifdef CONFIG_MOUSE_PS2_TRACKPOINT
 int trackpoint_detect(struct psmouse *psmouse, bool set_properties);
 #else
-inline int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
+static inline int trackpoint_detect(struct psmouse *psmouse,
+				    bool set_properties)
 {
 	return -ENOSYS;
 }

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