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From: Keith Busch <kbusch@kernel.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: "Mickaël Salaün" <mic@digikod.net>,
	"Mika Westerberg" <mika.westerberg@linux.intel.com>,
	"Krzysztof Wilczyński" <kw@linux.com>,
	"Michael Ellerman" <mpe@ellerman.id.au>,
	"Randy Dunlap" <rdunlap@infradead.org>,
	"Arnd Bergmann" <arnd@arndb.de>,
	"Bjorn Helgaas" <helgaas@kernel.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	"Niklas Schnelle" <schnelle@linux.ibm.com>,
	"Pali Rohár" <pali@kernel.org>,
	"Maciej W. Rozycki" <macro@orcam.me.uk>,
	"Juergen Gross" <jgross@suse.com>,
	"Dominik Brodowski" <linux@dominikbrodowski.net>,
	linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org,
	sparclinux@vger.kernel.org, linux-pci@vger.kernel.org,
	xen-devel@lists.xenproject.org, linux-acpi@vger.kernel.org,
	"Miguel Ojeda" <ojeda@kernel.org>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Ivan Kokshaysky" <ink@jurassic.park.msu.ru>,
	"Matt Turner" <mattst88@gmail.com>,
	"Russell King" <linux@armlinux.org.uk>,
	"Andrew Lunn" <andrew@lunn.ch>,
	"Sebastian Hesselbarth" <sebastian.hesselbarth@gmail.com>,
	"Gregory Clement" <gregory.clement@bootlin.com>,
	"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
	"Nicholas Piggin" <npiggin@gmail.com>,
	"Christophe Leroy" <christophe.leroy@csgroup.eu>,
	"Anatolij Gustschin" <agust@denx.de>,
	"Yoshinori Sato" <ysato@users.sourceforge.jp>,
	"Rich Felker" <dalias@libc.org>,
	"John Paul Adrian Glaubitz" <glaubitz@physik.fu-berlin.de>,
	"David S. Miller" <davem@davemloft.net>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Stefano Stabellini" <sstabellini@kernel.org>,
	"Oleksandr Tyshchenko" <oleksandr_tyshchenko@epam.com>
Subject: Re: [PATCH v4 1/4] PCI: Introduce pci_dev_for_each_resource()
Date: Fri, 10 Mar 2023 15:15:38 -0700	[thread overview]
Message-ID: <ZAusCnLSXeEcpQs+@kbusch-mbp.dhcp.thefacebook.com> (raw)
In-Reply-To: <20230310171416.23356-2-andriy.shevchenko@linux.intel.com>

On Fri, Mar 10, 2023 at 07:14:13PM +0200, Andy Shevchenko wrote:
> +#define __pci_dev_for_each_resource(dev, res, __i, vartype)		\
> +	for (vartype __i = 0;						\
> +		res = &(dev)->resource[__i], __i < PCI_NUM_RESOURCES;	\
> +		__i++)

...

> +#define pci_dev_for_each_resource_p(dev, res)				\
> +	__pci_dev_for_each_resource(dev, res, i, unsigned int)

It looks dangerous to have a macro declare a variable when starting a new
scope. How do you know the name 'i' won't clash with something defined above?

  parent reply	other threads:[~2023-03-10 22:15 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-10 17:14 [PATCH v4 0/4] PCI: Add pci_dev_for_each_resource() helper and update users Andy Shevchenko
2023-03-10 17:14 ` [PATCH v4 1/4] PCI: Introduce pci_dev_for_each_resource() Andy Shevchenko
2023-03-10 21:51   ` kernel test robot
2023-03-10 22:15   ` Keith Busch [this message]
2023-03-14 18:39     ` Andy Shevchenko
2023-03-11 13:54   ` Dan Carpenter
2023-03-14 18:43     ` Andy Shevchenko
2023-03-10 17:14 ` [PATCH v4 2/4] PCI: Split pci_bus_for_each_resource_p() out of pci_bus_for_each_resource() Andy Shevchenko
2023-03-10 17:14 ` [PATCH v4 3/4] EISA: Convert to use pci_bus_for_each_resource_p() Andy Shevchenko
2023-03-10 17:14 ` [PATCH v4 4/4] pcmcia: " Andy Shevchenko

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