linux-kernel - Re: [PATCH] usb: dwc3: qcom: Check for null irq pointer

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Date:   Mon, 20 Dec 2021 13:14:36 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Sergey Shtylyov <s.shtylyov@....ru>
Cc:     Jiasheng Jiang <jiasheng@...as.ac.cn>, agross@...nel.org,
        bjorn.andersson@...aro.org, balbi@...nel.org,
        p.zabel@...gutronix.de, linux-arm-msm@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: dwc3: qcom: Check for null irq pointer

On Mon, Dec 20, 2021 at 02:48:12PM +0300, Sergey Shtylyov wrote:
> On 20.12.2021 14:25, Sergey Shtylyov wrote:
> 
> > > The return value of platform_get_irq() needs to be checked.
> > > To avoid use of null pointer
> > 
> >    What null pointer, could you please clarify?
> > 
> > > in case that there is no irq.
> > > 
> > > Fixes: 2bc02355f8ba ("usb: dwc3: qcom: Add support for booting with ACPI")
> > > Signed-off-by: Jiasheng Jiang <jiasheng@...as.ac.cn>
> 
>    This has already been addressed by this (yet unmerged) patch:
> 
> https://marc.info/?l=linux-usb&m=162854066430255

Why not wait until that patch is actually merged?  Otherwise all of this
work is moot.

greg k-h