netdev - Re: [PATCH net] net: cpsw: fix NULL pointer exception in the probe error path

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Date:   Wed, 21 Aug 2019 14:00:14 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     antoine.tenart@...tlin.com
Cc:     grygorii.strashko@...com, netdev@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
        maxime.chevallier@...tlin.com
Subject: Re: [PATCH net] net: cpsw: fix NULL pointer exception in the probe
 error path

From: Antoine Tenart <antoine.tenart@...tlin.com>
Date: Wed, 21 Aug 2019 16:41:23 +0200

> In certain cases when the probe function fails the error path calls
> cpsw_remove_dt() before calling platform_set_drvdata(). This is an
> issue as cpsw_remove_dt() uses platform_get_drvdata() to retrieve the
> cpsw_common data and leds to a NULL pointer exception. This patches
> fixes it by calling platform_set_drvdata() earlier in the probe.
> 
> Fixes: 83a8471ba255 ("net: ethernet: ti: cpsw: refactor probe to group common hw initialization")
> Reported-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> Signed-off-by: Antoine Tenart <antoine.tenart@...tlin.com>

Applied and queued up for -stable, thanks.