From: Chris Rorvick <[email protected]>

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 <[email protected]>
Signed-off-by: Sedat Dilek <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 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
                                kmemdup(pieces->dbg_conf_tlv[i],
                                        pieces->dbg_conf_tlv_len[i],
                                        GFP_KERNEL);
-                       if (!pieces->dbg_conf_tlv[i])
+                       if (!drv->fw.dbg.conf_tlv[i])
                                goto out_free_fw;
                }
        }


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