From: Parav Pandit <parav@xxxxxxxxxxxx>
(a) If ib_uverbs_create_uapi() fails, dev_num should be freed.
(b) Destroy uapi if fails to create device.
Fixes: 7d96c9b17636 ("IB/uverbs: Have the core code create the uverbs_root_spec")
Signed-off-by: Parav Pandit <parav@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/core/uverbs_main.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 823beca448e1..6d974e2363df 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -1050,7 +1050,7 @@ static void ib_uverbs_add_one(struct ib_device *device)
uverbs_dev->num_comp_vectors = device->num_comp_vectors;
if (ib_uverbs_create_uapi(device, uverbs_dev))
- goto err;
+ goto err_uapi;
cdev_init(&uverbs_dev->cdev, NULL);
uverbs_dev->cdev.owner = THIS_MODULE;
@@ -1077,11 +1077,10 @@ static void ib_uverbs_add_one(struct ib_device *device)
err_class:
device_destroy(uverbs_class, uverbs_dev->cdev.dev);
-
err_cdev:
cdev_del(&uverbs_dev->cdev);
+err_uapi:
clear_bit(devnum, dev_map);
-
err:
if (atomic_dec_and_test(&uverbs_dev->refcount))
ib_uverbs_comp_dev(uverbs_dev);
--
2.14.4
