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Message-ID: <ZeCNboCslYgT8tjb@smile.fi.intel.com>
Date: Thu, 29 Feb 2024 15:58:06 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Herve Codina <herve.codina@...tlin.com>
Cc: Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Yury Norov <yury.norov@...il.com>,
Rasmus Villemoes <linux@...musvillemoes.dk>,
linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, Andrew Lunn <andrew@...n.ch>,
Mark Brown <broonie@...nel.org>,
Christophe Leroy <christophe.leroy@...roup.eu>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v4 5/5] net: wan: fsl_qmc_hdlc: Add framer support
On Thu, Feb 29, 2024 at 01:56:05PM +0100, Herve Codina wrote:
> On Thu, 22 Feb 2024 17:49:40 +0200
> Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:
> > On Thu, Feb 22, 2024 at 03:22:18PM +0100, Herve Codina wrote:
...
> I've got an issue with guard(spinlock_irqsave).
No, you got an issue with sparse.
> I have the following warning (make C=1):
> drivers/net/wan/fsl_qmc_hdlc.c:49:12: warning: context imbalance in 'qmc_hdlc_framer_set_carrier' - wrong count at exit
>
> I also tried to call guard(spinlock_irqsave) before 'if (!qmc_hdlc->framer)'
> but it does not change anything.
>
> Did I miss something in the guard(spinlock_irqsave) usage ?
You may ignore that for now. Not your problem, no problem in the code.
https://lore.kernel.org/linux-sparse/8d596a06-9f25-4d9f-8282-deb2d03a6b0a@moroto.mountain/
--
With Best Regards,
Andy Shevchenko
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