From 8b5081c876bde9b1df5e96ee6990d5acd20c128b Mon Sep 17 00:00:00 2001 From: Benjamin Romer Date: Fri, 4 Sep 2015 12:01:33 -0400 Subject: [PATCH] staging: unisys: visornic: handle error return from device registration There is no code to handle an error return in visornic, when it tries to register with visorbus. This patch handles an error return from visorbus_register_visor_driver() by dropping out of initialization. Signed-off-by: Benjamin Romer Signed-off-by: Greg Kroah-Hartman --- drivers/staging/unisys/visornic/visornic_main.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c index 7b08a8998a6d..9d3c1e282062 100644 --- a/drivers/staging/unisys/visornic/visornic_main.c +++ b/drivers/staging/unisys/visornic/visornic_main.c @@ -2131,8 +2131,9 @@ static int visornic_init(void) if (!dev_num_pool) goto cleanup_workqueue; - visorbus_register_visor_driver(&visornic_driver); - return 0; + err = visorbus_register_visor_driver(&visornic_driver); + if (!err) + return 0; cleanup_workqueue: if (visornic_timeout_reset_workqueue) { -- 2.45.2