From ea53b661521df4bcae207df9b5b19d855002e1b9 Mon Sep 17 00:00:00 2001 From: Manoj Rao Date: Mon, 19 Aug 2013 16:35:12 -0700 Subject: msm: mdss: fb: null check mfd data Add appropriate null check for mfd data structure before accessing it's members. This prevents null pointer accesses in the driver. Change-Id: Id301d4a90c9a52049944c7e3b31aa1a34ad292d7 CRs-Fixed: 526286 Signed-off-by: Manoj Rao --- drivers/video/fbdev/msm/mdss_fb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/msm/mdss_fb.c b/drivers/video/fbdev/msm/mdss_fb.c index eab529d5292d..20b838780b62 100644 --- a/drivers/video/fbdev/msm/mdss_fb.c +++ b/drivers/video/fbdev/msm/mdss_fb.c @@ -1439,7 +1439,7 @@ static int mdss_fb_pan_display_ex(struct fb_info *info, u32 wait_for_finish = disp_commit->wait_for_finish; int ret = 0; - if ((!mfd->op_enable) || (!mfd->panel_power_on)) + if (!mfd || (!mfd->op_enable) || (!mfd->panel_power_on)) return -EPERM; if (var->xoffset > (info->var.xres_virtual - info->var.xres)) -- cgit v1.2.3