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IB/mlx5: Add missing error code 

Set err to -ENOMEM if kzalloc fails instead of 0.

Fixes: 7597385371 ("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>
This commit is contained in:
YueHaibing 2021-02-22 20:23:43 +08:00 committed by Jason Gunthorpe
parent 475f23b8c6
commit 3a9b3d4536
1 changed files with 3 additions and 1 deletions
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4
drivers/infiniband/hw/mlx5/devx.c
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@ -2073,8 +2073,10 @@ 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);