diff options
| author | Suprith Malligere Shankaregowda <supgow@codeaurora.org> | 2018-04-04 17:58:29 +0530 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2018-04-09 05:40:01 -0700 |
| commit | 8604e9806fd8feac2b9caa8bfa98c06c73654429 (patch) | |
| tree | c5348ad8fdbbe62e646fedbe1dc172af5085fb2f /drivers/gpu/drm/msm/msm_iommu.c | |
| parent | ef00227cce638b1ca8bd8c04d342a8688b7400e9 (diff) | |
drm: msm: fix potential NULL pointer dereference
adding NULL check before dereferencing a pointer.
Change-Id: I260b016abdcb16f5b16e58671ed208df21c99a46
Signed-off-by: Suprith Malligere Shankaregowda <supgow@codeaurora.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_iommu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_iommu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c index b52c4752c5fe..4586b62401fb 100644 --- a/drivers/gpu/drm/msm/msm_iommu.c +++ b/drivers/gpu/drm/msm/msm_iommu.c @@ -237,7 +237,8 @@ static struct device *find_context_bank(const char *name) /* Get the parent device */ parent = of_find_device_by_node(node->parent); - + if (!parent) + return ERR_PTR(-ENODEV); /* Populate the sub nodes */ of_platform_populate(parent->dev.of_node, NULL, NULL, &parent->dev); |