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Merge tag 'pci-v3.10-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

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Pull PCI fixes from Bjorn Helgaas:
 "This fixes a crash when booting a 32-bit kernel via the EFI boot stub.

  PCI ROM from EFI
      x86/PCI: Map PCI setup data with ioremap() so it can be in highmem"

* tag 'pci-v3.10-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  x86/PCI: Map PCI setup data with ioremap() so it can be in highmem
This commit is contained in:
Linus Torvalds
2013-06-06 16:28:15 -07:00
parent e6395b68ad 65694c5aad
commit c51aa6db2a
1 changed files with 4 additions and 1 deletions
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5
arch/x86/pci/common.c
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@@ -628,7 +628,9 @@ int pcibios_add_device(struct pci_dev *dev)
pa_data = boot_params.hdr.setup_data;
while (pa_data) {
data = phys_to_virt(pa_data);
data = ioremap(pa_data, sizeof(*rom));
if (!data)
return -ENOMEM;
if (data->type == SETUP_PCI) {
rom = (struct pci_setup_rom *)data;
@@ -645,6 +647,7 @@ int pcibios_add_device(struct pci_dev *dev)
}
}
pa_data = data->next;
iounmap(data);
}
return 0;
}