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PCI: Declare pci_filp_private only when HAVE_PCI_MMAP
The struct pci_filp_private has no users outside drivers/pci/proc.c and is only used when HAVE_PCI_MMAP is defined. Wrap the struct pci_filp_private definition itself in #ifdef HAVE_PCI_MMAP. Found by cppcheck: $ cppcheck --enable=all --force drivers/pci/proc.c drivers/pci/proc.c:192:6: style: struct member 'pci_filp_private::write_combine' is never used. [unusedStructMember] Link: https://lore.kernel.org/r/20210706003145.3054881-1-kw@linux.com Signed-off-by: Krzysztof Wilczyński <kw@linux.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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@ -188,10 +188,12 @@ static ssize_t proc_bus_pci_write(struct file *file, const char __user *buf,
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return nbytes;
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}
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#ifdef HAVE_PCI_MMAP
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struct pci_filp_private {
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enum pci_mmap_state mmap_state;
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int write_combine;
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};
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#endif /* HAVE_PCI_MMAP */
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static long proc_bus_pci_ioctl(struct file *file, unsigned int cmd,
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unsigned long arg)
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