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Subject[PATCH -next] IB/mlx5: Add missing error code
Date
Set err to -ENOMEM if kzalloc fails instead of 0.

Fixes: 759738537142 ("IB/mlx5: Enable subscription for device events over DEVX")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
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 ebc2a4355fa5..3c8e6a25465d 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -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);
--
2.20.1
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