Re: [PATCH 3/4] kni: replace strict_strtoul with kstrtoul

[Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>]

Hi Jincheng,

2014-12-10 11:33, Jincheng Miao:
> From upstream kernel commit 3db2e9cd, strict_strto* serial functions
> are removed. So that we should directly used kstrtoul instead.
> 
> And add kni/compat.h for be compatible with older kernel.
> 
> Signed-off-by: Jincheng Miao <jmiao-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
[...]
> new file mode 100644
> index 0000000..c8c662c
> --- /dev/null
> +++ b/lib/librte_eal/linuxapp/kni/compat.h
> @@ -0,0 +1,16 @@
> +/*
> + * Minimal wrappers to allow compiling kni on older kernels.
> + */
> +
> +#ifndef RHEL_RELEASE_VERSION
> +#define RHEL_RELEASE_VERSION(a, b) (((a) << 8) + (b))
> +#endif
> +
> +#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && \
> +        (!(defined(RHEL_RELEASE_CODE) && \
> +           RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 4)))

The first indent character must be a tab (highlighted by checkpatch).

[...]
> --- a/lib/librte_eal/linuxapp/kni/kni_vhost.c
> +++ b/lib/librte_eal/linuxapp/kni/kni_vhost.c
> @@ -740,7 +740,7 @@ set_sock_en(struct device *dev, struct device_attribute *attr,
>  	unsigned long en;
>  	int err = 0;
>  
> -	if (0 != strict_strtoul(buf, 0, &en))
> +	if (0 != kstrtoul(buf, 0, &en))
>  		return -EINVAL;
>  
>  	if (en)

It seems you forgot to include the new compat.h.

Did you do some tests with different Fedora/RHEL versions?

Thanks
-- 
Thomas