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Date:   Fri,  1 May 2020 15:22:51 +0200
From:   Greg Kroah-Hartman <>
Cc:     Greg Kroah-Hartman <>,, Chris Rorvick <>,
        Sedat Dilek <>,
        Kalle Valo <>
Subject: [PATCH 5.6 018/106] iwlwifi: actually check allocated conf_tlv pointer

From: Chris Rorvick <>

commit a176e114ace4cca7df0e34b4bd90c301cdc6d653 upstream.

Commit 71bc0334a637 ("iwlwifi: check allocated pointer when allocating
conf_tlvs") attempted to fix a typoe introduced by commit 17b809c9b22e
("iwlwifi: dbg: move debug data to a struct") but does not implement the
check correctly.

Fixes: 71bc0334a637 ("iwlwifi: check allocated pointer when allocating conf_tlvs")
Tweeted-by: @grsecurity
Signed-off-by: Chris Rorvick <>
Signed-off-by: Sedat Dilek <>
Signed-off-by: Kalle Valo <>
Signed-off-by: Greg Kroah-Hartman <>

 drivers/net/wireless/intel/iwlwifi/iwl-drv.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -1467,7 +1467,7 @@ static void iwl_req_fw_callback(const st
-			if (!pieces->dbg_conf_tlv[i])
+			if (!drv->fw.dbg.conf_tlv[i])
 				goto out_free_fw;

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