staging: unisys: visorinput change -1 return value

This patch changes the vague -1 return value to -EINVAL

Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/unisys/visorinput/visorinput.c b/drivers/staging/unisys/visorinput/visorinput.c
index 12a3570..d67cd76 100644 (file)
--- a/drivers/staging/unisys/visorinput/visorinput.c
+++ b/drivers/staging/unisys/visorinput/visorinput.c
@@ -506,7 +506,7 @@ calc_button(int x)
        case 3:
                return BTN_RIGHT;
        default:
-               return -1;
+               return -EINVAL;
        }
 }