linux-kernel - Re: [PATCH v6 07/16] PCI/AER: Initialize aer_err

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Message-ID: <20250520142707.GA1297901@bhelgaas>
Date: Tue, 20 May 2025 09:27:07 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc: linux-pci@...r.kernel.org, Jon Pan-Doh <pandoh@...gle.com>,
	Karolina Stolarek <karolina.stolarek@...cle.com>,
	Martin Petersen <martin.petersen@...cle.com>,
	Ben Fuller <ben.fuller@...cle.com>,
	Drew Walton <drewwalton@...rosoft.com>,
	Anil Agrawal <anilagrawal@...a.com>,
	Tony Luck <tony.luck@...el.com>,
	Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@...ux.intel.com>,
	Lukas Wunner <lukas@...ner.de>,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	Sargun Dhillon <sargun@...a.com>,
	"Paul E . McKenney" <paulmck@...nel.org>,
	Mahesh J Salgaonkar <mahesh@...ux.ibm.com>,
	Oliver O'Halloran <oohall@...il.com>,
	Kai-Heng Feng <kaihengf@...dia.com>,
	Keith Busch <kbusch@...nel.org>, Robert Richter <rrichter@....com>,
	Terry Bowman <terry.bowman@....com>,
	Shiju Jose <shiju.jose@...wei.com>,
	Dave Jiang <dave.jiang@...el.com>,
	LKML <linux-kernel@...r.kernel.org>, linuxppc-dev@...ts.ozlabs.org,
	Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH v6 07/16] PCI/AER: Initialize aer_err_info before using it

On Tue, May 20, 2025 at 01:39:06PM +0300, Ilpo Järvinen wrote:
> On Mon, 19 May 2025, Bjorn Helgaas wrote:
> 
> > From: Bjorn Helgaas <bhelgaas@...gle.com>
> > 
> > Previously the struct aer_err_info "e_info" was allocated on the stack
> > without being initialized, so it contained junk except for the fields we
> > explicitly set later.
> > 
> > Initialize "e_info" at declaration with a designated initializer list,
> > which initializes the other members to zero.
> > 
> > Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
> > ---
> >  drivers/pci/pcie/aer.c | 37 ++++++++++++++++---------------------
> >  1 file changed, 16 insertions(+), 21 deletions(-)
> > 
> > diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
> > index 95a4cab1d517..40f003eca1c5 100644
> > --- a/drivers/pci/pcie/aer.c
> > +++ b/drivers/pci/pcie/aer.c
> > @@ -1281,7 +1281,7 @@ static void aer_isr_one_error(struct aer_rpc *rpc,
> >  		struct aer_err_source *e_src)
> 
> Unrelated to this change, these would fit on a single line.

Thanks, fixed!