[Qemu-devel] [PULL 5/5] vmware-vga: use vmsvga_verify_rect in vmsvga_fill_rect

[Gerd Hoffmann <kraxel@redhat.com>]

Add verification to vmsvga_fill_rect, re-enable HW_FILL_ACCEL.

Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Don Koch <dkoch@verizon.com>
---
 hw/display/vmware_vga.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c
index 73a1b52..1751f19 100644
--- a/hw/display/vmware_vga.c
+++ b/hw/display/vmware_vga.c
@@ -30,9 +30,7 @@
 
 #undef VERBOSE
 #define HW_RECT_ACCEL
-#if 0
 #define HW_FILL_ACCEL
-#endif
 #define HW_MOUSE_ACCEL
 
 #include "vga_int.h"
@@ -444,7 +442,7 @@ static inline int vmsvga_copy_rect(struct vmsvga_state_s *s,
 #endif
 
 #ifdef HW_FILL_ACCEL
-static inline void vmsvga_fill_rect(struct vmsvga_state_s *s,
+static inline int vmsvga_fill_rect(struct vmsvga_state_s *s,
                 uint32_t c, int x, int y, int w, int h)
 {
     DisplaySurface *surface = qemu_console_surface(s->vga.con);
@@ -457,6 +455,10 @@ static inline void vmsvga_fill_rect(struct vmsvga_state_s *s,
     uint8_t *src;
     uint8_t col[4];
 
+    if (!vmsvga_verify_rect(surface, __func__, x, y, w, h)) {
+        return -1;
+    }
+
     col[0] = c;
     col[1] = c >> 8;
     col[2] = c >> 16;
@@ -481,6 +483,7 @@ static inline void vmsvga_fill_rect(struct vmsvga_state_s *s,
     }
 
     vmsvga_update_rect_delayed(s, x, y, w, h);
+    return 0;
 }
 #endif
 
@@ -613,12 +616,12 @@ static void vmsvga_fifo_run(struct vmsvga_state_s *s)
             width = vmsvga_fifo_read(s);
             height = vmsvga_fifo_read(s);
 #ifdef HW_FILL_ACCEL
-            vmsvga_fill_rect(s, colour, x, y, width, height);
-            break;
-#else
+            if (vmsvga_fill_rect(s, colour, x, y, width, height) == 0) {
+                break;
+            }
+#endif
             args = 0;
             goto badcmd;
-#endif
 
         case SVGA_CMD_RECT_COPY:
             len -= 7;
-- 
1.8.3.1