video: tegra: zero out var before calling fb_videomode_to_var

Change-Id: I23f01da0a7dcd62594faa828676ffb7a4bc72d9f
Signed-off-by: Erik Gilling <konkers@android.com>

diff --git a/drivers/video/tegra/fb.c b/drivers/video/tegra/fb.c
index 1f0b967acd89a6180c382dfe00b389e892879f98..9b70114c9cd107d10da923a13f697285aa7c3b9d 100644 (file)
--- a/drivers/video/tegra/fb.c
+++ b/drivers/video/tegra/fb.c
@@ -573,6 +573,7 @@ static int tegra_fb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long
 
                        if (i >= modedb.modedb_len)
                                break;
+                       memset(&var, 0x0, sizeof(var));
                        fb_videomode_to_var(&var, &modelist->mode);
 
                        if (copy_to_user((void __user *)&modedb.modedb[i],
@@ -657,6 +658,8 @@ void tegra_fb_update_monspecs(struct tegra_fb_info *fb_info,
                fb_info->info->mode = (struct fb_videomode *)
                        fb_find_best_display(specs, &fb_info->info->modelist);
 
+               memset(&fb_info->info->var, 0x0,
+                      sizeof(fb_info->info->var));
                fb_videomode_to_var(&fb_info->info->var, fb_info->info->mode);
                tegra_fb_set_par(fb_info->info);
        }