netdev - Re: [PATCH net-next] net/mlx5: Fix return code in case of hyperv wrong size read

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Message-Id: <20190823.144516.1474535743879521178.davem@davemloft.net>
Date:   Fri, 23 Aug 2019 14:45:16 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     eranbe@...lanox.com
Cc:     netdev@...r.kernel.org, saeedm@...lanox.com, haiyangz@...rosoft.com
Subject: Re: [PATCH net-next] net/mlx5: Fix return code in case of hyperv
 wrong size read

From: Eran Ben Elisha <eranbe@...lanox.com>
Date: Fri, 23 Aug 2019 15:34:47 +0300

> Return code value could be non deterministic in case of wrong size read.
> With this patch, if such error occurs, set rc to be -EIO.
> 
> In addition, mlx5_hv_config_common() supports reading of
> HV_CONFIG_BLOCK_SIZE_MAX bytes only, fix to early return error with
> bad input.
> 
> Fixes: 913d14e86657 ("net/mlx5: Add wrappers for HyperV PCIe operations")
> Reported-by: Leon Romanovsky <leon@...nel.org>
> Signed-off-by: Eran Ben Elisha <eranbe@...lanox.com>

Applied, thank you.