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disp: msm: sde: fix kw issues in sde driver

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This change to address use after free and null checks in
sde driver.

Change-Id: Iade91596748b1b867ae959e61fca0f7072eda8f3
Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>
This commit is contained in:
Narendra Muppalla
2020-07-08 10:26:36 -07:00
parent 5c92c5ac78
commit 47638eae8c
3 changed files with 10 additions and 5 deletions
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7
msm/sde/sde_crtc.c
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@@ -3505,10 +3505,15 @@ static void _sde_crtc_schedule_idle_notify(struct drm_crtc *crtc,
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
struct sde_crtc_state *cstate = to_sde_crtc_state(old_state);
struct sde_kms *sde_kms = _sde_crtc_get_kms(crtc);
struct msm_drm_private *priv = sde_kms->dev->dev_private;
struct msm_drm_private *priv;
struct msm_drm_thread *event_thread;
int idle_time = 0;
if (!sde_kms || !sde_kms->dev || !sde_kms->dev->dev_private)
return;
priv = sde_kms->dev->dev_private;
idle_time = sde_crtc_get_property(cstate, CRTC_PROP_IDLE_TIMEOUT);
if (!idle_time ||