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# HG changeset patch
# User kaf24@firebug.cl.cam.ac.uk
# Node ID fcc833cbaf827327ad9e9348c93aaf7f99f0253f
# Parent d6b16f57058a984ba903541d77927e07686659e9
Return real error code from Xen /dev/mem, not EAGAIN.

Signed-off-by: Keir Fraser <keir@xensource.com>

diff -r d6b16f57058a -r fcc833cbaf82 linux-2.6-xen-sparse/drivers/xen/char/mem.c
--- a/linux-2.6-xen-sparse/drivers/xen/char/mem.c Mon Feb 13 15:47:04 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/char/mem.c Mon Feb 13 16:41:23 2006
@@ -96,12 +96,9 @@
if (uncached_access(file))
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);

- if (direct_remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
- size,
- vma->vm_page_prot, DOMID_IO))
- return -EAGAIN;
-
- return 0;
+ /* We want to return the real error code, not EAGAIN. */
+ return direct_remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
+ size, vma->vm_page_prot, DOMID_IO);
}

/*

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