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authorBenjamin Romer <benjamin.romer@unisys.com>2015-09-04 12:01:33 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-09-13 09:43:41 -0700
commit8b5081c876bde9b1df5e96ee6990d5acd20c128b (patch)
treeae7c9c82f6a0e7584f075ca345df40b4c9339c6f /drivers/staging
parent6155a3cf11a6d4ed102ef5a30f655d4d2a38076b (diff)
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 <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/unisys/visornic/visornic_main.c5
1 files 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) {