[chrome-os:chromeos-4.19 31/39] drivers/net/wireless/ath/ath10k/htt_rx.c:1556:7: error: variable 'more_frags' set but not used

[chrome-os:chromeos-4.19 31/39] drivers/net/wireless/ath/ath10k/htt_rx.c:1556:7: error: variable 'more_frags' set but not used

[kernel test robot]

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tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.19
head:   fd9257f21c8e6b27d0de6e42b32d1136266c8701
commit: 318ac899ffacd36596e01c9a784fe1bd007aa6e4 [31/39] FROMGIT: ath10k: add CCMP PN replay protection for fragmented frames for PCIe
config: arm64-chromiumos-arm64-customedconfig-chrome-os:chromeos-4.19:1c68c68e817969a1e15b79c9aa4d7561b21a509d (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel
        git fetch --no-tags chrome-os chromeos-4.19
        git checkout 318ac899ffacd36596e01c9a784fe1bd007aa6e4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from drivers/net/wireless/ath/ath10k/core.h:18,
                    from drivers/net/wireless/ath/ath10k/htt_rx.c:8:
   drivers/net/wireless/ath/ath10k/htt.h:1764:1: error: alignment 1 of 'struct ath10k_htt_txbuf_32' is less than 4 [-Werror=packed-not-aligned]
    1764 | } __packed;
         | ^
   drivers/net/wireless/ath/ath10k/htt.h:1771:1: error: alignment 1 of 'struct ath10k_htt_txbuf_64' is less than 4 [-Werror=packed-not-aligned]
    1771 | } __packed;
         | ^
   drivers/net/wireless/ath/ath10k/htt_rx.c: In function 'ath10k_htt_rx_h_frag_pn_check':
>> drivers/net/wireless/ath/ath10k/htt_rx.c:1556:7: error: variable 'more_frags' set but not used [-Werror=unused-but-set-variable]
    1556 |  bool more_frags;
         |       ^~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/more_frags +1556 drivers/net/wireless/ath/ath10k/htt_rx.c

  1546	
  1547	static bool ath10k_htt_rx_h_frag_pn_check(struct ath10k *ar,
  1548						  struct sk_buff *skb,
  1549						  u16 peer_id,
  1550						  u16 offset,
  1551						  enum htt_rx_mpdu_encrypt_type enctype)
  1552	{
  1553		struct ath10k_peer *peer;
  1554		union htt_rx_pn_t *last_pn, new_pn = {0};
  1555		struct ieee80211_hdr *hdr;
> 1556		bool more_frags;
  1557		u8 tid, frag_number;
  1558		u32 seq;
  1559	
  1560		peer = ath10k_peer_find_by_id(ar, peer_id);
  1561		if (!peer) {
  1562			ath10k_dbg(ar, ATH10K_DBG_HTT, "invalid peer for frag pn check\n");
  1563			return false;
  1564		}
  1565	
  1566		hdr = (struct ieee80211_hdr *)(skb->data + offset);
  1567		if (ieee80211_is_data_qos(hdr->frame_control))
  1568			tid = ieee80211_get_tid(hdr);
  1569		else
  1570			tid = ATH10K_TXRX_NON_QOS_TID;
  1571	
  1572		last_pn = &peer->frag_tids_last_pn[tid];
  1573		new_pn.pn48 = ath10k_htt_rx_h_get_pn(ar, skb, offset, enctype);
  1574		more_frags = ieee80211_has_morefrags(hdr->frame_control);
  1575		frag_number = le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG;
  1576		seq = (__le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
  1577	
  1578		if (frag_number == 0) {
  1579			last_pn->pn48 = new_pn.pn48;
  1580			peer->frag_tids_seq[tid] = seq;
  1581		} else {
  1582			if (seq != peer->frag_tids_seq[tid])
  1583				return false;
  1584	
  1585			if (new_pn.pn48 != last_pn->pn48 + 1)
  1586				return false;
  1587	
  1588			last_pn->pn48 = new_pn.pn48;
  1589		}
  1590	
  1591		return true;
  1592	}
  1593	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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