vfio: platform: Switch to platform_get_irq_optional()
commit723fe298ad
upstream. Since commit7723f4c5ec
("driver core: platform: Add an error message to platform_get_irq*()"), platform_get_irq() calls dev_err() on an error. As we enumerate all interrupts until platform_get_irq() fails, we now systematically get a message such as: "vfio-platform fff51000.ethernet: IRQ index 3 not found" which is a false positive. Let's use platform_get_irq_optional() instead. Signed-off-by: Eric Auger <eric.auger@redhat.com> Cc: stable@vger.kernel.org # v5.3+ Reviewed-by: Andre Przywara <andre.przywara@arm.com> Tested-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -44,7 +44,7 @@ static int get_platform_irq(struct vfio_platform_device *vdev, int i)
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{
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struct platform_device *pdev = (struct platform_device *) vdev->opaque;
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return platform_get_irq(pdev, i);
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return platform_get_irq_optional(pdev, i);
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}
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static int vfio_platform_probe(struct platform_device *pdev)
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