usb: xhci: Check for XHCI_PLAT in xhci_cleanup_msix()
commit 9005355a upstream. If CONFIG_PCI is enabled, make sure xhci_cleanup_msix() doesn't try to free a bogus PCI IRQ or dereference an invalid pci_dev when the xHCI device is actually a platform_device. This patch should be backported to kernels as old as 3.9, that contain the commit 52fb6125 "xhci-plat: Don't enable legacy PCI interrupts." Signed-off-by: Jack Pham <jackp@codeaurora.org> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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