diff options
| author | Manoj Rao <manojraj@codeaurora.org> | 2013-08-19 16:35:12 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 20:22:46 -0700 |
| commit | ea53b661521df4bcae207df9b5b19d855002e1b9 (patch) | |
| tree | 71ee3216d4f3758d5993dd3c37708a6e55f0cc5d | |
| parent | a637447cc1a8a72a799809fd3e8e041691b978be (diff) | |
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 <manojraj@codeaurora.org>
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_fb.c | 2 |
1 files changed, 1 insertions, 1 deletions
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)) |