linux-kernel - Re: [PATCH] usb: xhci: remove the code build warning

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Message-ID: <20180605084019.GA8665@kroah.com>
Date:   Tue, 5 Jun 2018 10:40:19 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Dongjiu Geng <gengdongjiu@...wei.com>
Cc:     mathias.nyman@...el.com, thierry.reding@...il.com,
        jonathanh@...dia.com, linux-usb@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: xhci: remove the code build warning

On Wed, Jun 06, 2018 at 12:35:00AM +0800, Dongjiu Geng wrote:
> Initialize the 'err' variate to remove the build warning,
> the warning is shown as below:
> 
> drivers/usb/host/xhci-tegra.c: In function ‘tegra_xusb_mbox_thread’:
> drivers/usb/host/xhci-tegra.c:552:6: warning: ‘err’ may be used uninitialized in this function [-Wuninitialized]
> drivers/usb/host/xhci-tegra.c:482:6: note: ‘err’ was declared here
> 
> Signed-off-by: Dongjiu Geng <gengdongjiu@...wei.com>
> ---

Any hint as to what commit caused this warning to show up?

thanks,

greg k-h