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disp: msm: dp: check ERR_PTR when creating a new connector

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sde_connector_init will return an ERR_PTR if connector
creation failed, so need to use IS_ERR_OR_NULL to check
the return value.

Change-Id: I4fee5a624261898bbd079c54705e6eaebc71bac6
Signed-off-by: Yuan Zhao <yzhao@codeaurora.org>
This commit is contained in:
Yuan Zhao
2020-06-16 17:51:49 +08:00
committed by Gerrit - the friendly Code Review server
parent 4ebc0e1f34
commit c1c2e1ca63
1 changed files with 3 additions and 3 deletions
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6
msm/dp/dp_mst_drm.c
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@@ -1743,10 +1743,10 @@ dp_mst_add_connector(struct drm_dp_mst_topology_mgr *mgr,
DRM_CONNECTOR_POLL_HPD,
DRM_MODE_CONNECTOR_DisplayPort);
if (!connector) {
if (IS_ERR_OR_NULL(connector)) {
DP_ERR("mst sde_connector_init failed\n");
drm_modeset_unlock_all(dev);
return connector;
return NULL;
}
rc = dp_display->mst_connector_install(dp_display, connector);
@@ -2074,7 +2074,7 @@ dp_mst_drm_fixed_connector_init(struct dp_display *dp_display,
DRM_CONNECTOR_POLL_HPD,
DRM_MODE_CONNECTOR_DisplayPort);
if (!connector) {
if (IS_ERR_OR_NULL(connector)) {
DP_ERR("mst sde_connector_init failed\n");
return NULL;
}