Re: [PATCH v2 3/8] staging: erofs: move per-CPU buffers implementation to utils.c

[Chao Yu <yuchao0@xxxxxxxxxx>]

On 2019/6/21 0:07, Gao Xiang wrote:
> +static inline void *erofs_get_pcpubuf(unsigned int pagenr)
> +{
> +	return ERR_PTR(-ENOTSUPP);
> +}

[snip]

> +	percpu_data = erofs_get_pcpubuf(0);

If erofs_get_pcpubuf may return error once EROFS_PCPUBUF_NR_PAGES equals to
zero, we'd better to check the error number here.

Thanks,
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