linux-kernel - Re: [PATCH] phy: qcom-qmp: initialize the pointer to NULL

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Message-ID: <160153698271.310579.690982928498545843@swboyd.mtv.corp.google.com>
Date:   Thu, 01 Oct 2020 00:23:02 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Vinod Koul <vkoul@...nel.org>,
        linux-arm-msm@...r.kernel.org, kernel test robot <lkp@...el.com>,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: Re: [PATCH] phy: qcom-qmp: initialize the pointer to NULL

Quoting Vinod Koul (2020-10-01 00:09:11)
> Smatch complains:
> drivers/phy/qualcomm/phy-qcom-qmp.c:3899 qcom_qmp_phy_probe() error: uninitialized symbol 'dp_cfg'.
> drivers/phy/qualcomm/phy-qcom-qmp.c:3900 qcom_qmp_phy_probe() error: uninitialized symbol 'dp_serdes'.
> drivers/phy/qualcomm/phy-qcom-qmp.c:3902 qcom_qmp_phy_probe() error: uninitialized symbol 'usb_cfg'.
> 
> This is a warning but not a practical one as dp_cfg, dp_serdes and
> usb_cfg will be set and used when valid. So we can set the pointers to
> NULL to quiesce the warnings.
> 
> Reported-by: kernel test robot <lkp@...el.com>
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Fixes: 52e013d0bffa ("phy: qcom-qmp: Add support for DP in USB3+DP combo phy")
> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> ---

Thanks!

Reviewed-by: Stephen Boyd <swboyd@...omium.org>