[PATCH 5/5] Critical KlockWorks Fix - intel_crt.c Possible Null Dereference
Nischal Varide
nischal.varide at intel.com
Tue Aug 18 03:00:23 UTC 2020
Signed-off-by: Nischal Varide <nischal.varide at intel.com>
---
drivers/gpu/drm/i915/display/intel_crt.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c
index 5b4510ce5693..b5777fdc8cac 100644
--- a/drivers/gpu/drm/i915/display/intel_crt.c
+++ b/drivers/gpu/drm/i915/display/intel_crt.c
@@ -504,6 +504,9 @@ static bool valleyview_crt_detect_hotplug(struct drm_connector *connector)
bool ret;
u32 save_adpa;
+ if (!(dev_priv))
+ return false;
+
/*
* Doing a force trigger causes a hpd interrupt to get sent, which can
* get us stuck in a loop if we're polling:
--
2.26.0
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