Revision aa8419367b62044e92bd7993eeb83d861b59bafa authored by Ian Kent on 11 October 2016, 20:53:02 UTC, committed by Linus Torvalds on 11 October 2016, 22:06:31 UTC
The count of miscellaneous device ioctls in fs/autofs4/autofs_i.h is wrong. The number of ioctls is the difference between AUTOFS_DEV_IOCTL_VERSION_CMD and AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD (14) not the difference between AUTOFS_IOC_COUNT and 11 (21). [kusumi.tomohiro@gmail.com: fix typo that made the count macro negative] Link: http://lkml.kernel.org/r/20160831033420.9910.16809.stgit@pluto.themaw.net Link: http://lkml.kernel.org/r/20160812024841.12352.11975.stgit@pluto.themaw.net Signed-off-by: Ian Kent <raven@themaw.net> Cc: Tomohiro Kusumi <kusumi.tomohiro@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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irq.c
/*
* PCI IRQ failure handing code
*
* Copyright (c) 2008 James Bottomley <James.Bottomley@HansenPartnership.com>
*/
#include <linux/acpi.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/pci.h>
static void pci_note_irq_problem(struct pci_dev *pdev, const char *reason)
{
struct pci_dev *parent = to_pci_dev(pdev->dev.parent);
dev_err(&pdev->dev,
"Potentially misrouted IRQ (Bridge %s %04x:%04x)\n",
dev_name(&parent->dev), parent->vendor, parent->device);
dev_err(&pdev->dev, "%s\n", reason);
dev_err(&pdev->dev, "Please report to linux-kernel@vger.kernel.org\n");
WARN_ON(1);
}
/**
* pci_lost_interrupt - reports a lost PCI interrupt
* @pdev: device whose interrupt is lost
*
* The primary function of this routine is to report a lost interrupt
* in a standard way which users can recognise (instead of blaming the
* driver).
*
* Returns:
* a suggestion for fixing it (although the driver is not required to
* act on this).
*/
enum pci_lost_interrupt_reason pci_lost_interrupt(struct pci_dev *pdev)
{
if (pdev->msi_enabled || pdev->msix_enabled) {
enum pci_lost_interrupt_reason ret;
if (pdev->msix_enabled) {
pci_note_irq_problem(pdev, "MSIX routing failure");
ret = PCI_LOST_IRQ_DISABLE_MSIX;
} else {
pci_note_irq_problem(pdev, "MSI routing failure");
ret = PCI_LOST_IRQ_DISABLE_MSI;
}
return ret;
}
#ifdef CONFIG_ACPI
if (!(acpi_disabled || acpi_noirq)) {
pci_note_irq_problem(pdev, "Potential ACPI misrouting please reboot with acpi=noirq");
/* currently no way to fix acpi on the fly */
return PCI_LOST_IRQ_DISABLE_ACPI;
}
#endif
pci_note_irq_problem(pdev, "unknown cause (not MSI or ACPI)");
return PCI_LOST_IRQ_NO_INFORMATION;
}
EXPORT_SYMBOL(pci_lost_interrupt);
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