Input: logips2pp - handle sysfs errors

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

1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
index 8a4f862709e7..d3ddea26b8ca 100644
--- 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;
+                                }
                         }
                 }