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IB/mlx5: Add missing error code 

[ Upstream commit 3a9b3d4536e0c25bd3906a28c1f584177e49dd0f ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
YueHaibing 2021-02-22 20:23:43 +08:00 committed by Greg Kroah-Hartman
parent 809ef2660c
commit 86b3b62b81
1 changed files with 3 additions and 1 deletions
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4
drivers/infiniband/hw/mlx5/devx.c
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@ -2022,8 +2022,10 @@ 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);
if (use_eventfd) {