netdev - Re: [PATCH net] sfc: suppress duplicate nvmem partition types in efx_ef10_mtd

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Date:   Wed, 23 Jan 2019 11:16:31 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     ecree@...arflare.com
Cc:     linux-net-drivers@...arflare.com, netdev@...r.kernel.org
Subject: Re: [PATCH net] sfc: suppress duplicate nvmem partition types in
 efx_ef10_mtd_probe

From: Edward Cree <ecree@...arflare.com>
Date: Tue, 22 Jan 2019 19:02:17 +0000

> Use a bitmap to keep track of which partition types we've already seen;
>  for duplicates, return -EEXIST from efx_ef10_mtd_probe_partition() and
>  thus skip adding that partition.
> Duplicate partitions occur because of the A/B backup scheme used by newer
>  sfc NICs.  Prior to this patch they cause sysfs_warn_dup errors because
>  they have the same name, causing us not to expose any MTDs at all.
> 
> Signed-off-by: Edward Cree <ecree@...arflare.com>

Applied, thanks.