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List: freedesktop-xorg
Subject: Re: [v2 PATCH] libpciaccess: close mtrr fd on pci_cleanup
From: Jeremy Huddleston <jeremyhu () apple ! com>
Date: 2011-10-25 5:41:31
Message-ID: 159D6F92-FAD4-4F41-AB16-30762C4826AD () apple ! com
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Thanks,
I reviewed and pushed this with a small modification.
--Jeremy
On Oct 24, 2011, at 12:15 PM, Nithin Nayak Sujir wrote:
> Since the fd is not closed, calling pci_system_init and
> pci_system_cleanup more than 1024 times results in "too many files open"
> error.
>
> v2: Modified the patch to use the destroy hook function instead of
> calling close in the common code based on Jeremy Huddleston's comments. It
> seemed appropriate to use the destroy hook since other implementations are
> doing clean ups here.
>
> Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
> ---
> src/linux_sysfs.c | 12 +++++++++++-
> 1 files changed, 11 insertions(+), 1 deletions(-)
>
> diff --git a/src/linux_sysfs.c b/src/linux_sysfs.c
> index d5ba66a..09e7138 100644
> --- a/src/linux_sysfs.c
> +++ b/src/linux_sysfs.c
> @@ -889,8 +889,18 @@ pci_device_linux_sysfs_unmap_legacy(struct pci_device *dev, void *addr, pciaddr_
> return munmap(addr, size);
> }
>
> +
> +static void
> +pci_system_linux_destroy(void)
> +{
> +#ifdef HAVE_MTRR
> + if (pci_sys->mtrr_fd > 0)
> + close(pci_sys->mtrr_fd);
> +#endif
> +}
> +
> static const struct pci_system_methods linux_sysfs_methods = {
> - .destroy = NULL,
> + .destroy = pci_system_linux_destroy,
> .destroy_device = NULL,
> .read_rom = pci_device_linux_sysfs_read_rom,
> .probe = pci_device_linux_sysfs_probe,
> --
> 1.7.1
>
>
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