staging: unisys: visorbus: Unregister driver on error

If there is an error in registering driver attributes, unregister
the driver as well.

Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/staging/unisys/visorbus/visorbus_main.c
index 2309f5f2b238e574db07c80e509d815a98c643c1..7905ea920a4aa681d57a2570f538f27b7e3f0fe7 100644 (file)
--- a/drivers/staging/unisys/visorbus/visorbus_main.c
+++ b/drivers/staging/unisys/visorbus/visorbus_main.c
@@ -885,6 +885,8 @@ int visorbus_register_visor_driver(struct visor_driver *drv)
        if (rc < 0)
                return rc;
        rc = register_driver_attributes(drv);
+       if (rc < 0)
+               driver_unregister(&drv->driver);
        return rc;
 }
 EXPORT_SYMBOL_GPL(visorbus_register_visor_driver);