qcacld-3.0: Add NULL check in cds_trigger_recovery()

Add a NULL check before de-referencing CDF context pointer.

CRs-Fixed: 2004243
Change-Id: I0aa644d9ad2d154526ee015e57e9132c26c5fd91

core/cds/src/cds_api.c

@@ -1586,6 +1586,11 @@ void cds_trigger_recovery(bool skip_crash_inject)
 			  "WMA context is invalid!");
 		return;
 	}
+	if (!qdf_ctx) {
+		QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR,
+			  "QDF context is invalid!");
+		return;
+	}
 
 	recovery_lock = qdf_runtime_lock_init("cds_recovery");
 	if (!recovery_lock) {