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qxl: fix local renderer crash

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Merge remote-tracking branch 'remotes/kraxel/tags/vga-20180507-pull-request' into staging

qxl: fix local renderer crash

# gpg: Signature made Mon 07 May 2018 10:52:09 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# 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>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/vga-20180507-pull-request:
  qxl: fix local renderer crash

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-05-08 14:23:02 +01:00
commit d01beac177
1 changed files with 2 additions and 1 deletions
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3
hw/display/qxl-render.c
View File

@ -169,7 +169,8 @@ void qxl_render_update(PCIQXLDevice *qxl)
qemu_mutex_lock(&qxl->ssd.lock); qemu_mutex_lock(&qxl->ssd.lock);
if (!runstate_is_running() || !qxl->guest_primary.commands) { if (!runstate_is_running() || !qxl->guest_primary.commands ||
qxl->mode == QXL_MODE_UNDEFINED) {
qxl_render_update_area_unlocked(qxl); qxl_render_update_area_unlocked(qxl);
qemu_mutex_unlock(&qxl->ssd.lock); qemu_mutex_unlock(&qxl->ssd.lock);
return; return;