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-rw-r--r--drivers/video/sis/sis_main.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c
index a4e05e4d7501..e1836d7140a8 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);