lisa/android_kernel_xiaomi_sm8350
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disp: msm: add null pointer sanity checks

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Add missing null pointer checks for variables
before referencing them.

Change-Id: I5592ea136d2759e0a4adb288492c6ef00ae79c4d
Signed-off-by: Prashant Singh <prasin@codeaurora.org>
This commit is contained in:
Prashant Singh 2019-08-14 16:06:42 +05:30
parent 2f41e9ab66
commit dc6f198f99
2 changed files with 13 additions and 5 deletions
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16
msm/dsi/dsi_display.c
View File

@ -5559,14 +5559,22 @@ struct drm_panel *dsi_display_get_drm_panel(struct dsi_display * display)
int dsi_display_drm_ext_bridge_init(struct dsi_display *display,
struct drm_encoder *encoder, struct drm_connector *connector)
{
struct drm_device *drm = encoder->dev;
struct drm_bridge *bridge = encoder->bridge;
struct drm_device *drm;
struct drm_bridge *bridge;
struct drm_bridge *ext_bridge;
struct drm_connector *ext_conn;
struct sde_connector *sde_conn = to_sde_connector(connector);
struct drm_bridge *prev_bridge = bridge;
struct sde_connector *sde_conn;
struct drm_bridge *prev_bridge;
int rc = 0, i;
if (!display || !encoder || !connector)
return -EINVAL;
drm = encoder->dev;
bridge = encoder->bridge;
sde_conn = to_sde_connector(connector);
prev_bridge = bridge;
if (display->panel && !display->panel->host_config.ext_bridge_mode)
return 0;

2
msm/msm_fb.c
View File

@ -395,7 +395,7 @@ struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev,
+ width * cpp
+ mode_cmd->offsets[i];
if (bos[i]->size < min_size) {
if (!bos[i] || bos[i]->size < min_size) {
ret = -EINVAL;
goto fail;
}