linux-kernel - Re: [PATCH] bnxt_en: Fix an error handling path in 'bnxt_get_module

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Message-Id: <20171128.105602.879657812684686339.davem@davemloft.net>
Date:   Tue, 28 Nov 2017 10:56:02 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     christophe.jaillet@...adoo.fr
Cc:     michael.chan@...adcom.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] bnxt_en: Fix an error handling path in
 'bnxt_get_module_eeprom()'

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Date: Tue, 21 Nov 2017 20:46:49 +0100

> Error code returned by 'bnxt_read_sfp_module_eeprom_info()' is handled a
> few lines above when reading the A0 portion of the EEPROM.
> The same should be done when reading the A2 portion of the EEPROM.
> 
> In order to correctly propagate an error, update 'rc' in this 2nd call as
> well, otherwise 0 (success) is returned.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Patch applied, thanks Chrisophe.

I cannot see any legitimate reason to ignore errors returned here, as
an error would mean a partial read back of the data to the caller.