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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Channagoud Kadabi <ckadabi@codeaurora.org>,
	Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-edac@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: edac: qcom_edac: uninitialized variable in IRQ handler
Date: Thu, 18 Oct 2018 15:32:53 +0300	[thread overview]
Message-ID: <20181018123253.h77xdz6aq24rn22b@mwanda> (raw)

On Thu, Oct 18, 2018 at 02:27:14PM +0200, Borislav Petkov wrote:
> On Thu, Oct 18, 2018 at 10:38:07AM +0300, Dan Carpenter wrote:
> > We forgot to set "irq_handled" to false, so it's either true or
> > uninitialized.
> > 
> > Fixes: 27450653f1db ("drivers: edac: Add EDAC driver support for QCOM SoCs")
> > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> > ---
> >  drivers/edac/qcom_edac.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/edac/qcom_edac.c b/drivers/edac/qcom_edac.c
> > index 82bd775124f2..f8510a024fe5 100644
> > --- a/drivers/edac/qcom_edac.c
> > +++ b/drivers/edac/qcom_edac.c
> > @@ -292,7 +292,7 @@ llcc_ecc_irq_handler(int irq, void *edev_ctl)
> >  	struct llcc_drv_data *drv = edac_dev_ctl->pvt_info;
> >  	irqreturn_t irq_rc = IRQ_NONE;
> >  	u32 drp_error, trp_error, i;
> > -	bool irq_handled;
> > +	bool irq_handled = false;
> 
> That variable is just silly. One can simply do:
> 
> 	if (!ret)
> 		irq_rc = IRQ_HANDLED;
> 
> in both places and
> 
> 	return irq_rc;
> 
> at the end and remove irq_handled altogether. Problem solved.
> 

Yeah.  That's cleaner.  I will resend.

regards,
dan carpenter

             reply	other threads:[~2018-10-18 12:32 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-18 12:32 Dan Carpenter [this message]
  -- strict thread matches above, loose matches on Subject: below --
2018-10-18 12:27 edac: qcom_edac: uninitialized variable in IRQ handler Borislav Petkov
2018-10-18  7:38 Dan Carpenter

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