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Commit 91fbf985 authored by Tatenda Chipeperekwa's avatar Tatenda Chipeperekwa
Browse files

disp: msm: dp: fix potential NULL pointer dereference 



Fix the potential NULL pointer dereference in the callback function
for HDCP status updates.

Change-Id: I57ffc480cc6a8f89db0d18151a07876aeeb8c236
Signed-off-by: default avatarTatenda Chipeperekwa <tatendac@codeaurora.org>
parent b86633e5

msm/dp/dp_display.c

+3 −2
Original line number Diff line number Diff line
@@ -581,14 +581,15 @@ static void dp_display_notify_hdcp_status_cb(void *ptr, 
		enum sde_hdcp_state state)

{

	struct dp_display_private *dp = ptr;

	SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_ENTRY,

					dp->link->hdcp_status.hdcp_state);



	if (!dp) {

		DP_ERR("invalid input\n");

		return;

	}



	SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_ENTRY,

					dp->link->hdcp_status.hdcp_state);



	dp->link->hdcp_status.hdcp_state = state;



	queue_delayed_work(dp->wq, &dp->hdcp_cb_work, HZ/4);