misc: max9635: unregister upon probe failure

currently it only unregisters input device but
not misc as a result in case if probe() fails
it may cause a panic in ubsequently called ioctl
where it would try to access unitialized/freed data

Signed-off-by: Sergey Kudakov <sergey.kudakov@motorola.com>

diff --git a/drivers/misc/max9635.c b/drivers/misc/max9635.c
index 93f806229103887f15ca58749371effac8da0ea8..bcafebedd51dcb67032f6c76dde3393298f3efb4 100644 (file)
--- a/drivers/misc/max9635.c
+++ b/drivers/misc/max9635.c
@@ -548,6 +548,7 @@ err_req_irq_failed:
 err_reg_init_failed:
        input_unregister_device(als_data->idev);
 error_input_register_failed:
+       misc_deregister(&max9635_misc_device);
 error_misc_register_failed:
        input_free_device(als_data->idev);
 error_input_allocate_failed: