Re: [PATCH rdma-next v2 13/17] RDMA/core: Get sum value of all counters when perform a sysfs stat read

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On Mon, Apr 29, 2019 at 11:34:49AM +0300, Leon Romanovsky wrote:
> diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
> index c56ffc61ab1e..8ae4906a60e7 100644
> +++ b/drivers/infiniband/core/device.c
> @@ -1255,7 +1255,11 @@ int ib_register_device(struct ib_device *device, const char *name)
>  		goto dev_cleanup;
>  	}
>  
> -	rdma_counter_init(device);
> +	ret = rdma_counter_init(device);
> +	if (ret) {
> +		dev_warn(&device->dev, "Couldn't initialize counter\n");
> +		goto sysfs_cleanup;
> +	}

Don't put this things randomly, if there is some reason it should be
after sysfs it needs a comment, otherwise if it is just allocating
memory it belongs earlier, and the unwind should be done in release.

I also think it is very strange/wrong that both sysfs and counters are
allocating the same alloc_hw_stats object

Why can't they share?

Jason



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