[Xen-changelog] [xen-3.4-testing] stdvga: avoid bogus warning message

["Xen patchbot-3.4-testing" <patchbot-3.4-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1268158552 0
# Node ID 6e72f8c3c01733ae5e6f9db4db61a2a9db344a11
# Parent  9923e27010643fb4db72546171d9fccbc6156e22
stdvga: avoid bogus warning message

Prevents stdvga to print the 'unsupported mmio request type'
warning when the actual request type is 'IOREQ_TYPE_COPY'.
This avoids confusion.

Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>
xen-unstable changeset:   21018:5f08fd0d6249
xen-unstable date:        Tue Mar 09 12:34:39 2010 +0000
---
 xen/arch/x86/hvm/stdvga.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff -r 9923e2701064 -r 6e72f8c3c017 xen/arch/x86/hvm/stdvga.c
--- a/xen/arch/x86/hvm/stdvga.c Tue Mar 09 18:15:19 2010 +0000
+++ b/xen/arch/x86/hvm/stdvga.c Tue Mar 09 18:15:52 2010 +0000
@@ -561,8 +561,9 @@ static int stdvga_intercept_mmio(ioreq_t
         {
         case IOREQ_TYPE_COPY:
             buf = mmio_move(s, p);
-            if ( buf )
-                break;
+            if ( !buf )
+                s->cache = 0;
+            break;
         default:
             gdprintk(XENLOG_WARNING, "unsupported mmio request type:%d "
                      "addr:0x%04x data:0x%04x size:%d count:%d state:%d "

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