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From:   gregory.greenman@intel.com
To:     johannes@sipsolutions.net
Cc:     linux-wireless@vger.kernel.org, Tom Rix <trix@redhat.com>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Gregory Greenman <gregory.greenman@intel.com>
Subject: [PATCH 06/15] wifi: iwlwifi: mvm: initialize seq variable
Date:   Fri, 14 Apr 2023 13:11:57 +0300
Message-Id: <20230414130637.6dd372f84f93.If1f708c90e6424a935b4eba3917dfb7582e0dd0a@changeid>
In-Reply-To: <20230414101206.1170180-1-gregory.greenman@intel.com>
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From: Tom Rix <trix@redhat.com>

Clang static analysis reports this issue
d3.c:567:22: warning: The left operand of '>' is
  a garbage value
  if (seq.tkip.iv32 > cur_rx_iv32)
      ~~~~~~~~~~~~~ ^

seq is never initialized. Call ieee80211_get_key_rx_seq() to
initialize seq.

Fixes: 0419e5e672d6 ("iwlwifi: mvm: d3: separate TKIP data from key iteration")
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index bf80b1d093a2..798a7a1299e1 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -564,6 +564,7 @@ static void iwl_mvm_wowlan_get_tkip_data(struct ieee80211_hw *hw,
 		}
 
 		for (i = 0; i < IWL_NUM_RSC; i++) {
+			ieee80211_get_key_rx_seq(key, i, &seq);
 			/* wrapping isn't allowed, AP must rekey */
 			if (seq.tkip.iv32 > cur_rx_iv32)
 				cur_rx_iv32 = seq.tkip.iv32;
-- 
2.38.1