diff options
| author | Jon Mayo <jmayo@nvidia.com> | 2013-01-17 09:21:41 -0800 |
|---|---|---|
| committer | Riham Haidar <rhaidar@nvidia.com> | 2013-05-03 12:03:42 -0700 |
| commit | b56550a9c95ce33ff9ceef931cc6011a86d1665b (patch) | |
| tree | 3c33960037f2ab81e9cf456ca389d6a6e37981e1 | |
| parent | 3fe1b44abd075e2fc995b82270ced047f1a61ecf (diff) | |
video: tegra: avoid null deref on nvdps read
When reading nvdps sysfs file, check mode to avoid a null dereference.
Bug 1032235
Change-Id: I27c125c887e7653d953cf15b4d96d889ef36652f
Signed-off-by: Jon Mayo <jmayo@nvidia.com>
Reviewed-on: http://git-master/r/221329
Reviewed-by: Automatic_Commit_Validation_User
Tested-by: Philip Rakity <prakity@nvidia.com>
Reviewed-by: Philip Rakity <prakity@nvidia.com>
GVS: Gerrit_Virtual_Submit
| -rw-r--r-- | drivers/video/tegra/fb.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/tegra/fb.c b/drivers/video/tegra/fb.c index 27e24cbe0d41..b548e6e32305 100644 --- a/drivers/video/tegra/fb.c +++ b/drivers/video/tegra/fb.c @@ -438,6 +438,8 @@ static int tegra_fb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long } int tegra_fb_get_mode(struct tegra_dc *dc) { + if (!dc->fb->info->mode) + return -1; return dc->fb->info->mode->refresh; } |