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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: linux-nvdimm@lists.01.org, dan.j.williams@intel.com,
	vishal.l.verma@intel.com
Subject: Re: [PATCH] daxctl: phys_index value 0 is valid
Date: Mon, 09 Nov 2020 10:41:27 +0530	[thread overview]
Message-ID: <87v9efp11c.fsf@linux.ibm.com> (raw)
In-Reply-To: <20201020052704.331557-1-aneesh.kumar@linux.ibm.com>


Hi All,

"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com> writes:

> On power platforms we can find
>  # cat /sys/devices/system/memory/memory0/phys_index
> 00000000
>
> This results in
>
> libdaxctl: memblock_in_dev: dax1.0: memory0: Unable to determine phys_index: Success
>
> Avoid considering phys_index == 0 as error.


 A gentle ping for this patch. Will appreciate a feedback on this

>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
> ---
>  daxctl/lib/libdaxctl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/daxctl/lib/libdaxctl.c b/daxctl/lib/libdaxctl.c
> index ee4a069eb463..3cb89c755978 100644
> --- a/daxctl/lib/libdaxctl.c
> +++ b/daxctl/lib/libdaxctl.c
> @@ -1229,7 +1229,7 @@ static int memblock_in_dev(struct daxctl_memory *mem, const char *memblock)
>  	rc = sysfs_read_attr(ctx, path, buf);
>  	if (rc == 0) {
>  		phys_index = strtoul(buf, NULL, 16);
> -		if (phys_index == 0 || phys_index == ULONG_MAX) {
> +		if (phys_index == ULONG_MAX) {
>  			rc = -errno;
>  			err(ctx, "%s: %s: Unable to determine phys_index: %s\n",
>  				devname, memblock, strerror(-rc));
> -- 
> 2.26.2
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  reply	other threads:[~2020-11-09  5:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-20  5:27 [PATCH] daxctl: phys_index value 0 is valid Aneesh Kumar K.V
2020-11-09  5:11 ` Aneesh Kumar K.V [this message]
2020-11-09 19:08   ` Dan Williams

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