From: Erik Gilling <konkers@android.com>
Date: Wed, 13 Apr 2011 00:36:04 +0000 (-0700)
Subject: video: tegra: zero out var before calling fb_videomode_to_var
X-Git-Tag: firefly_0821_release~9833^2~16^2
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=77a9f2d7ce63dd428ab66a1992333596d9c582e5;p=firefly-linux-kernel-4.4.55.git

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 1f0b967acd89..9b70114c9cd1 100644
--- 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);
 	}