From: Greg Kroah-Hartman gregkh@linuxfoundation.org
From: YueHaibing yuehaibing@huawei.com
[ Upstream commit 3a9b3d4536e0c25bd3906a28c1f584177e49dd0f ]
Set err to -ENOMEM if kzalloc fails instead of 0.
Fixes: 759738537142 ("IB/mlx5: Enable subscription for device events over DEVX") Link: https://lore.kernel.org/r/20210222122343.19720-1-yuehaibing@huawei.com Signed-off-by: YueHaibing yuehaibing@huawei.com Acked-by: Leon Romanovsky leonro@nvidia.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/mlx5/devx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c index ff8e17d7f7ca..8161035eb774 100644 --- a/drivers/infiniband/hw/mlx5/devx.c +++ b/drivers/infiniband/hw/mlx5/devx.c @@ -1970,8 +1970,10 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_SUBSCRIBE_EVENT)(
num_alloc_xa_entries++; event_sub = kzalloc(sizeof(*event_sub), GFP_KERNEL); - if (!event_sub) + if (!event_sub) { + err = -ENOMEM; goto err; + }
list_add_tail(&event_sub->event_list, &sub_list); uverbs_uobject_get(&ev_file->uobj);