CVE-2023-53476 iw_cxgb4: Fix potential NULL dereference in c4iw_fill_res_cm_id_entry()

In the Linux kernel, the following vulnerability has been resolved: iwcxgb4: Fix potential NULL dereference in c4iwfillrescmidentry This condition needs to match the previous "if epcp-state == LISTEN " exactly to avoid a NULL dereference of either "listenep" or "ep". The problem is that "epcp" ha...