[Spice-commits] server/red-qxl.c

[Frediano Ziglio]

 server/red-qxl.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

New commits:
commit 6aafaef80662bd2e053d87e2172f789997631a0a
Author: Frediano Ziglio <fziglio at redhat.com>
Date:   Wed Jul 13 12:10:58 2016 +0100

    Fix gl draw command called without scanout
    
    This happens during VM shutdown.
    Qemu should never send a draw command without scanout.
    This should be fixed in Qemu  or in Virgl driver.
    
    Signed-off-by: Frediano Ziglio <fziglio at redhat.com>
    Acked-by: Uri Lublin <uril at redhat.com>

diff --git a/server/red-qxl.c b/server/red-qxl.c
index b84ae69..2a4fa52 100644
--- a/server/red-qxl.c
+++ b/server/red-qxl.c
@@ -905,7 +905,11 @@ void spice_qxl_gl_draw_async(QXLInstance *qxl,
 
     spice_return_if_fail(qxl != NULL);
     qxl_state = qxl->st;
-    spice_return_if_fail(qxl_state->scanout.drm_dma_buf_fd != -1);
+    if (qxl_state->scanout.drm_dma_buf_fd == -1) {
+        spice_warning("called spice_qxl_gl_draw_async without a buffer");
+        red_qxl_async_complete(qxl, async_command_alloc(qxl_state, message, cookie));
+        return;
+    }
     spice_return_if_fail(qxl_state->gl_draw_async == NULL);
 
     qxl_state->gl_draw_async = async_command_alloc(qxl_state, message, cookie);