tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3e08a95294a4fb3702bb3d35ed08028433c37fe6 commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 6 days ago config: x86_64-randconfig-s021-20200624 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # save the attached .config to linux build tree make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
sparse warnings: (new ones prefixed by >>)
drivers/net/wireless/st/cw1200/txrx.c:766:15: sparse: sparse: incompatible
types in comparison expression (different address spaces):
>> drivers/net/wireless/st/cw1200/txrx.c:766:15: sparse: struct
>> ieee80211_sta [noderef] __rcu *
drivers/net/wireless/st/cw1200/txrx.c:766:15: sparse: struct
ieee80211_sta *
drivers/net/wireless/st/cw1200/txrx.c:1149:32: sparse: sparse: cast to
restricted __le64
vim +766 drivers/net/wireless/st/cw1200/txrx.c
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
702
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
703 void cw1200_tx(struct ieee80211_hw *dev,
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
704 struct ieee80211_tx_control *control,
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
705 struct sk_buff *skb)
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
706 {
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
707 struct cw1200_common *priv = dev->priv;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
708 struct cw1200_txinfo t = {
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
709 .skb = skb,
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
710 .queue = skb_get_queue_mapping(skb),
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
711 .tx_info = IEEE80211_SKB_CB(skb),
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
712 .hdr = (struct ieee80211_hdr *)skb->data,
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
713 .txpriv.tid = CW1200_MAX_TID,
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
714 .txpriv.rate_id = CW1200_INVALID_RATE_ID,
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
715 };
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
716 struct ieee80211_sta *sta;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
717 struct wsm_tx *wsm;
ab36bb72d00e24 drivers/net/wireless/st/cw1200/txrx.c zhengbin 2019-12-24
718 bool tid_update = false;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
719 u8 flags = 0;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
720 int ret;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
721
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
722 if (priv->bh_error)
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
723 goto drop;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
724
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
725 t.hdrlen = ieee80211_hdrlen(t.hdr->frame_control);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
726 t.da = ieee80211_get_DA(t.hdr);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
727 if (control) {
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
728 t.sta = control->sta;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
729 t.sta_priv = (struct cw1200_sta_priv *)&t.sta->drv_priv;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
730 }
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
731
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
732 if (WARN_ON(t.queue >= 4))
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
733 goto drop;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
734
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
735 ret = cw1200_tx_h_calc_link_ids(priv, &t);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
736 if (ret)
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
737 goto drop;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
738
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
739 pr_debug("[TX] TX %d bytes (queue: %d, link_id: %d (%d)).\n",
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
740 skb->len, t.queue, t.txpriv.link_id,
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
741 t.txpriv.raw_link_id);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
742
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
743 cw1200_tx_h_pm(priv, &t);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
744 cw1200_tx_h_calc_tid(priv, &t);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
745 ret = cw1200_tx_h_crypt(priv, &t);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
746 if (ret)
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
747 goto drop;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
748 ret = cw1200_tx_h_align(priv, &t, &flags);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
749 if (ret)
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
750 goto drop;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
751 ret = cw1200_tx_h_action(priv, &t);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
752 if (ret)
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
753 goto drop;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
754 wsm = cw1200_tx_h_wsm(priv, &t);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
755 if (!wsm) {
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
756 ret = -ENOMEM;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
757 goto drop;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
758 }
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
759 wsm->flags |= flags;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
760 cw1200_tx_h_bt(priv, &t, wsm);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
761 ret = cw1200_tx_h_rate_policy(priv, &t, wsm);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
762 if (ret)
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
763 goto drop;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
764
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
765 rcu_read_lock();
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
@766 sta = rcu_dereference(t.sta);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
767
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
768 spin_lock_bh(&priv->ps_state_lock);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
769 {
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
770 tid_update = cw1200_tx_h_pm_state(priv, &t);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
771 BUG_ON(cw1200_queue_put(&priv->tx_queue[t.queue],
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
772 t.skb, &t.txpriv));
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
773 }
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
774 spin_unlock_bh(&priv->ps_state_lock);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
775
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
776 if (tid_update && sta)
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
777 ieee80211_sta_set_buffered(sta, t.txpriv.tid, true);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
778
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
779 rcu_read_unlock();
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
780
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
781 cw1200_bh_wakeup(priv);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
782
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
783 return;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
784
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
785 drop:
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
786 cw1200_skb_dtor(priv, skb, &t.txpriv);
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
787 return;
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
788 }
a910e4a94f6923 drivers/net/wireless/cw1200/txrx.c Solomon Peachy 2013-05-24
789
:::::: The code at line 766 was first introduced by commit
:::::: a910e4a94f6923c8c988565525f017f687bf7205 cw1200: add driver for the ST-E
CW1100 & CW1200 WLAN chipsets
:::::: TO: Solomon Peachy <pi...@shaftnet.org>
:::::: CC: John W. Linville <linvi...@tuxdriver.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
