From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Thu, 18 Sep 2014 12:44:04 +0000 (+0300)
Subject: iwlwifi: pcie: warn if extern fw_debug buffer failed
X-Git-Tag: v5.15~16721^2~28^2~17^2~118
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=40a76905ad85903dc35ca9967056817e21a6d5d7;p=platform%2Fkernel%2Flinux-starfive.git

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
--- 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;