iwlwifi: pcie: warn if extern fw_debug buffer failed

Otherwise we have no way to know that the buffer hasn't been
allocated.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 3781b02..5c9064f 100644 (file)
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -133,7 +133,7 @@ static void iwl_pcie_alloc_fw_monitor(struct iwl_trans *trans)
                break;
        }
 
-       if (!page)
+       if (WARN_ON_ONCE(!page))
                return;
 
        trans_pcie->fw_mon_page = page;