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authorDmitry Torokhov <dtor@insightbb.com>2007-04-12 01:32:22 -0400
committerDmitry Torokhov <dtor@insightbb.com>2007-04-12 01:32:22 -0400
commit688897b0d4910e097f34c0e263d649cf2036eb45 (patch)
tree4b6eb217ca502d93c433ee721e3a62c5069eec65 /drivers/input/mouse
parent8d04ddb64c7bf62aec1102fddc5336a68bcaebe9 (diff)
downloadlinux-688897b0d4910e097f34c0e263d649cf2036eb45.tar.bz2
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>
Diffstat (limited to 'drivers/input/mouse')
-rw-r--r--drivers/input/mouse/logips2pp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
index d3ddea26b8ca..74a8ba7c71f8 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) {
/*