From 688897b0d4910e097f34c0e263d649cf2036eb45 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dtor@insightbb.com>
Date: Thu, 12 Apr 2007 01:32:22 -0400
Subject: [PATCH] Input: logips2pp - ignore mice reporting model as 0
There are mice reporting to logitech's queries with model
of 0. Do not claim that these are Logitech mice.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
drivers/input/mouse/logips2pp.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
index d3ddea26b8ca6..74a8ba7c71f85 100644
--- a/drivers/input/mouse/logips2pp.c
+++ b/drivers/input/mouse/logips2pp.c
@@ -338,12 +338,12 @@ int ps2pp_init(struct psmouse *psmouse, int set_properties)
param[1] = 0;
ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);
- if (!param[1])
- return -1;
-
model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
buttons = param[1];
+ if (!model || !buttons)
+ return -1;
+
if ((model_info = get_model_info(model)) != NULL) {
/*
--
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