From 7fbb1595549ca2d6208e04252339dafaaac02160 Mon Sep 17 00:00:00 2001 From: Wyon Bi Date: Sat, 20 Aug 2022 08:01:43 +0000 Subject: [PATCH] drm/bridge: analogix_dp: Fix potential NULL pointer dereference Signed-off-by: Wyon Bi Change-Id: I737d6ce4f1077ba05c0744fea024652f305adfc1 --- drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index f677582b1be2..2394ac17245c 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -2254,7 +2254,8 @@ EXPORT_SYMBOL_GPL(analogix_dp_bind); void analogix_dp_unbind(struct analogix_dp_device *dp) { disable_irq(dp->irq); - dp->connector.funcs->destroy(&dp->connector); + if (dp->connector.funcs->destroy) + dp->connector.funcs->destroy(&dp->connector); drm_dp_aux_unregister(&dp->aux); pm_runtime_put(dp->dev); pm_runtime_disable(dp->dev);