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[Xen-changelog] Return real error code from Xen /dev/mem, not EAGAIN.

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Subject:	[Xen-changelog] Return real error code from Xen /dev/mem, not EAGAIN.
From:	Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Mon, 13 Feb 2006 18:08:13 +0000
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# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID fcc833cbaf827327ad9e9348c93aaf7f99f0253f
# Parent  d6b16f57058a984ba903541d77927e07686659e9
Return real error code from Xen /dev/mem, not EAGAIN.

Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

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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