1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c
index 559bf1727a2b..b52f8e4ef1fd 100644
--- a/drivers/video/sis/sis_main.c
+++ b/drivers/video/sis/sis_main.c
@@ -1701,6 +1701,9 @@ static int	sisfb_ioctl(struct fb_info *info, unsigned int cmd,
                 break;
 
            case FBIOGET_VBLANK:
+
+                memset(&sisvbblank, 0, sizeof(struct fb_vblank));
+
                 sisvbblank.count = 0;
                 sisvbblank.flags = sisfb_setupvbblankflags(ivideo, &sisvbblank.vcount, &sisvbblank.hcount);