linux-kernel - [PATCH 4.14 59/71] Input: psmouse - fix build error of multiple definition

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Message-Id: <20190822171730.332203555@linuxfoundation.org>
Date:   Thu, 22 Aug 2019 10:19:34 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        YueHaibing <yuehaibing@...wei.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Hui Wang <hui.wang@...onical.com>
Subject: [PATCH 4.14 59/71] Input: psmouse - fix build error of multiple definition

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>
Cc: Hui Wang <hui.wang@...onical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 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
@@ -161,7 +161,8 @@ 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;
 }