tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: d949689e7383cd5271470f2b99dbe2fd3199bffd commit: 2e1614f7d61e407f1a8e7935a2903a6fa3cb0b11 [3872/6512] Bluetooth: SMP: Convert BT_ERR/BT_DBG to bt_dev_err/bt_dev_dbg config: powerpc-randconfig-m031-20210323 (attached as .config) compiler: powerpc-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com&gt; smatch warnings: net/bluetooth/smp.c:1633 smp_user_confirm_reply() warn: variable dereferenced before check 'conn' (see line 1631) vim +/conn +1633 net/bluetooth/smp.c 2b64d153a0cc9d Brian Gix 2011-12-21 1623 int smp_user_confirm_reply(struct hci_conn *hcon, u16 mgmt_op, __le32 passkey) 2b64d153a0cc9d Brian Gix 2011-12-21 1624 { b10e8017bd9d02 Johan Hedberg 2014-06-27 1625 struct l2cap_conn *conn = hcon->l2cap_data; 5d88cc73dded31 Johan Hedberg 2014-08-08 1626 struct l2cap_chan *chan; 2b64d153a0cc9d Brian Gix 2011-12-21 1627 struct smp_chan *smp; 2b64d153a0cc9d Brian Gix 2011-12-21 1628 u32 value; fc75cc8684d21d Johan Hedberg 2014-09-05 1629 int err; 2b64d153a0cc9d Brian Gix 2011-12-21 1630 2e1614f7d61e40 Luiz Augusto von Dentz 2021-03-15 @1631 bt_dev_dbg(conn->hcon->hdev, ""); ^^^^^^^^^^ Unchecked dereference 2b64d153a0cc9d Brian Gix 2011-12-21 1632 fc75cc8684d21d Johan Hedberg 2014-09-05 @1633 if (!conn) ^^^^^ Checked too late 2b64d153a0cc9d Brian Gix 2011-12-21 1634 return -ENOTCONN; 2b64d153a0cc9d Brian Gix 2011-12-21 1635 5d88cc73dded31 Johan Hedberg 2014-08-08 1636 chan = conn->smp; 5d88cc73dded31 Johan Hedberg 2014-08-08 1637 if (!chan) 5d88cc73dded31 Johan Hedberg 2014-08-08 1638 return -ENOTCONN; 5d88cc73dded31 Johan Hedberg 2014-08-08 1639 fc75cc8684d21d Johan Hedberg 2014-09-05 1640 l2cap_chan_lock(chan); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org _______________________________________________ kbuild mailing list -- kbuild(a)lists.01.org To unsubscribe send an email to kbuild-leave(a)lists.01.org