Received-SPF: pass (google.com: domain of linux-kernel+bounces-109086-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99;
Date: Wed, 20 Mar 2024 15:22:46 +0000
From: Simon Horman <horms@kernel.org>
To: Claus Hansen Ries <chr@terma.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"davem@davemloft.net" <davem@davemloft.net>,
	"edumazet@google.com" <edumazet@google.com>,
	"kuba@kernel.org" <kuba@kernel.org>,
	"pabeni@redhat.com" <pabeni@redhat.com>,
	"michal.simek@amd.com" <michal.simek@amd.com>,
	"wei.fang@nxp.com" <wei.fang@nxp.com>,
	"yangyingliang@huawei.com" <yangyingliang@huawei.com>,
	"robh@kernel.org" <robh@kernel.org>,
	"harini.katakam@amd.com" <harini.katakam@amd.com>,
	"dan.carpenter@linaro.org" <dan.carpenter@linaro.org>,
	"u.kleine-koenig@pengutronix.de" <u.kleine-koenig@pengutronix.de>,
	"wanghai38@huawei.com" <wanghai38@huawei.com>,
	"linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net v2] net: ll_temac: platform_get_resource replaced by
 wrong function
Message-ID: <20240320152246.GU185808@kernel.org>
References: <f512ff25a2cd484791757c18facb526c@terma.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <f512ff25a2cd484791757c18facb526c@terma.com>

On Wed, Mar 20, 2024 at 02:19:15PM +0000, Claus Hansen Ries wrote:
> From: Claus Hansen Ries <chr@terma.com>
> 
> Hope I am resubmitting this correctly, I've fixed the issues in 
> the original submission.

For future reference, the text above probably belongs
below the scissors ("---"). But I don't think there
is a need to resubmit just because of that.

> 
> platform_get_resource was replaced with devm_platform_ioremap_resource_byname 
> and is called using 0 as name. This eventually ends up in platform_get_resource_byname
> in the call stack, where it causes a null pointer in strcmp.
> 
> 	if (type == resource_type(r) && !strcmp(r->name, name))
> 
> It should have been replaced with devm_platform_ioremap_resource.
> 
> Fixes: bd69058f50d5 ("net: ll_temac: Use devm_platform_ioremap_resource_byname()")
> Signed-off-by: Claus Hansen Ries <chr@terma.com>
> Cc: stable@vger.kernel.org
> ---
> v2:
>   - fix accidently converting tabs to spaces and wording in commit message
> v1: https://marc.info/?l=linux-netdev&m=171087828129633&w=2

Thanks,

Reviewed-by: Simon Horman <horms@kernel.org>