linux-kernel - Re: [PATCH] PCI: Increase resource array mask bit size in pcim_iomap

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 5 Jan 2012 09:43:51 +0100
From:	"Rolf Eike Beer" <eike-kernel@...tec.de>
To:	"Yinghai Lu" <yinghai@...nel.org>
Cc:	"Jesse Barnes" <jbarnes@...tuousgeek.org>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	"Yinghai Lu" <yinghai@...nel.org>
Subject: Re: [PATCH] PCI: Increase resource array mask bit size in
 pcim_iomap_regions()

> DEVICE_COUNT_RESOURCE will be bigger than 16 when SRIOV supported is
> enabled.
>
> Let them pass with int just like pci_enable_resources().
>
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
>
> ---
>  include/linux/pci.h |    6 +++---
>  lib/devres.c        |    6 +++---
>  2 files changed, 6 insertions(+), 6 deletions(-)
>
> Index: linux-2.6/include/linux/pci.h
> ===================================================================
> --- linux-2.6.orig/include/linux/pci.h
> +++ linux-2.6/include/linux/pci.h
> @@ -1433,10 +1433,10 @@ static inline void pci_fixup_device(enum
>  void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long
> maxlen);
>  void pcim_iounmap(struct pci_dev *pdev, void __iomem *addr);
>  void __iomem * const *pcim_iomap_table(struct pci_dev *pdev);
> -int pcim_iomap_regions(struct pci_dev *pdev, u16 mask, const char *name);
> -int pcim_iomap_regions_request_all(struct pci_dev *pdev, u16 mask,
> +int pcim_iomap_regions(struct pci_dev *pdev, int mask, const char *name);
> +int pcim_iomap_regions_request_all(struct pci_dev *pdev, int mask,
>  				   const char *name);
[...]

You are switching from unsigned to signed here, is this intentional? In my
feeling such masks should end up in an unsigned int, no?

Eike
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/