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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 21 Aug 2019 18:02:07 +0300
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     Antoine Tenart <antoine.tenart@...tlin.com>, <davem@...emloft.net>
CC:     <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



On 21/08/2019 17:41, Antoine Tenart wrote:
> 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>
> ---
>   drivers/net/ethernet/ti/cpsw.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 

Thank you.
Reviewed-by: Grygorii Strashko <grygorii.strashko@...com>

-- 
Best regards,
grygorii