7d0b7344dd
checked in (request 33724) OBS-URL: https://build.opensuse.org/request/show/33724 OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=33
21 lines
758 B
Diff
21 lines
758 B
Diff
Make our PV drivers work with older hosts that do not recognize the new PV driver protocol.
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Signed-off-by: K. Y. Srinivasan <ksrinivasan@novell.com>
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Index: xen-4.0.0-testing/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
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===================================================================
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--- xen-4.0.0-testing.orig/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
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+++ xen-4.0.0-testing/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
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@@ -289,7 +289,10 @@ static int check_platform_magic(struct d
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if (magic != XEN_IOPORT_MAGIC_VAL) {
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dev_err(dev, "invalid magic %#x", magic);
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- return -ENODEV;
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+ /*
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+ * Older backend; just return 0 to be compatible.
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+ */
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+ return 0;
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}
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protocol = inb(XEN_IOPORT_PROTOVER);
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