[kbuild-all] [linux-review:UPDATE-20200930-013350/Anmol-Karn/net-bluetooth-Fix-null-pointer-dereference-in-hci_event_packet/20200910-123605 1/1] net/bluetooth/hci_event.c:4938:3: error: void function 'hci_phy_link_complete_evt' should not return a value

tree: https://github.com/0day-ci/linux/commits/UPDATE-20200930-013350/Anmol-Kar... head: 25720ca76ab0618da4816346aac98b54cef759fd commit: 25720ca76ab0618da4816346aac98b54cef759fd [1/1] net: bluetooth: Fix null pointer dereference in hci_event_packet() config: x86_64-randconfig-r031-20200930 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project bcd05599d0e53977a963799d6ee4f6e0bc21331b) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/25720ca76ab0618da4816346aac98b54c... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review UPDATE-20200930-013350/Anmol-Karn/net-bluetooth-Fix-null-pointer-dereference-in-hci_event_packet/20200910-123605 git checkout 25720ca76ab0618da4816346aac98b54cef759fd # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): return 0; ^ ~ 1 error generated. vim +/hci_phy_link_complete_evt +4938 net/bluetooth/hci_event.c 4918 4919 static void hci_phy_link_complete_evt(struct hci_dev *hdev, 4920 struct sk_buff *skb) 4921 { 4922 struct hci_ev_phy_link_complete *ev = (void *) skb->data; 4923 struct hci_conn *hcon, *bredr_hcon; 4924 4925 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle, 4926 ev->status); 4927 4928 hci_dev_lock(hdev); 4929 4930 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); 4931 if (!hcon) { 4932 hci_dev_unlock(hdev); 4933 return; 4934 } 4935 4936 if (!hcon->amp_mgr) { 4937 hci_dev_unlock(hdev); 4939 } 4940 4941 if (ev->status) { 4942 hci_conn_del(hcon); 4943 hci_dev_unlock(hdev); 4944 return; 4945 } 4946 4947 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon; 4948 4949 hcon->state = BT_CONNECTED; 4950 bacpy(&hcon->dst, &bredr_hcon->dst); 4951 4952 hci_conn_hold(hcon); 4953 hcon->disc_timeout = HCI_DISCONN_TIMEOUT; 4954 hci_conn_drop(hcon); 4955 4956 hci_debugfs_create_conn(hcon); 4957 hci_conn_add_sysfs(hcon); 4958 4959 amp_physical_cfm(bredr_hcon, hcon); 4960 4961 hci_dev_unlock(hdev); 4962 } 4963 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org