Input: logips2pp - handle sysfs errors

Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
index 8a4f862..d3ddea2 100644 (file)
--- a/drivers/input/mouse/logips2pp.c
+++ b/drivers/input/mouse/logips2pp.c
@@ -328,6 +328,7 @@ int ps2pp_init(struct psmouse *psmouse, int set_properties)
        unsigned char model, buttons;
        const struct ps2pp_info *model_info;
        int use_ps2pp = 0;
+       int error;
 
        param[0] = 0;
        ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
@@ -393,8 +394,14 @@ int ps2pp_init(struct psmouse *psmouse, int set_properties)
                                psmouse->set_resolution = ps2pp_set_resolution;
                                psmouse->disconnect = ps2pp_disconnect;
 
-                               device_create_file(&psmouse->ps2dev.serio->dev,
-                                                  &psmouse_attr_smartscroll.dattr);
+                               error = device_create_file(&psmouse->ps2dev.serio->dev,
+                                                          &psmouse_attr_smartscroll.dattr);
+                               if (error) {
+                                       printk(KERN_ERR
+                                               "logips2pp.c: failed to create smartscroll "
+                                               "sysfs attribute, error: %d\n", error);
+                                       return -1;
+                               }
                        }
                }