• Victor Toso's avatar
    qxl: Initialize prev field while dup surface list · cf2254c1
    Victor Toso authored
    Otherwise we will can hit a segfault qxl_surface_kill()
    
     │717     void
     │718     qxl_surface_kill (qxl_surface_t *surface)
     │719     {
     │720         struct evacuated_surface_t *ev = surface->evacuated;
     │721
     │722         if (ev)
     │723         {
     │724             /* server side surface is already destroyed (via reset), don't
     │725              * resend a destroy. Just mark surface as not to be recreated */
     │726             ev->pixmap = NULL;│
     │727             if (ev->image)│
     │728                 pixman_image_unref (ev->image);
     │729             if (ev->next)
     │730                 ev->next->prev = ev->prev;
     │731             if (ev->prev)
    >│732                ev->prev->next = ev->next;
     │733             free(ev);
     │734             surface->evacuated = NULL;
     │735             return;
     │736         }
    
    Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1641793Signed-off-by: 's avatarVictor Toso <victortoso@redhat.com>
    cf2254c1