Merge remote-tracking branch 'remotes/spice/tags/pull-spice-20141015-1' into staging
qxl: keep going if reaching guest bug on empty area
# gpg: Signature made Wed 15 Oct 2014 11:45:37 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/spice/tags/pull-spice-20141015-1:
qxl: keep going if reaching guest bug on empty area
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index 93b3518..b540dd6 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -1591,6 +1591,11 @@
qxl_set_guest_bug(d,
"QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n",
update.left, update.top, update.right, update.bottom);
+ if (update.left == update.right || update.top == update.bottom) {
+ /* old drivers may provide empty area, keep going */
+ qxl_clear_guest_bug(d);
+ goto cancel_async;
+ }
break;
}
if (async == QXL_ASYNC) {
