linux-kernel - [lvc-project] [PATCH] Input: trackpoint

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Message-Id: <20230314122714.1494260-1-Igor.A.Artemiev@mcst.ru>
Date:   Tue, 14 Mar 2023 15:27:14 +0300
From:   Igor Artemiev <Igor.A.Artemiev@...t.ru>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Igor Artemiev <Igor.A.Artemiev@...t.ru>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        lvc-project@...uxtesting.org
Subject: [lvc-project] [PATCH] Input: trackpoint - remove unreachable code

The trackpoint_sync() function always returnd 0.
And there is no need to check its result.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 2a924d71794c ("Input: trackpoint - only expose supported controls for Elan, ALPS and NXP")
Signed-off-by: Igor Artemiev <Igor.A.Artemiev@...t.ru>
---
 drivers/input/mouse/trackpoint.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 4a86b3e31d3b..561a4d2d81ff 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -386,9 +386,7 @@ static int trackpoint_reconnect(struct psmouse *psmouse)
 	was_reset = tp->variant_id == TP_VARIANT_IBM &&
 		    trackpoint_power_on_reset(&psmouse->ps2dev) == 0;
 
-	error = trackpoint_sync(psmouse, was_reset);
-	if (error)
-		return error;
+	trackpoint_sync(psmouse, was_reset);
 
 	return 0;
 }
-- 
2.30.2