Hi Vincent, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on bff6f1db91e330d7fba56f815cdbc412c75fe163 v5.10-rc3 next-20201113] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Vincent-Mailhol/can-usb-etas_es58X-add-support-for-ETAS-ES58X-CAN-USB-interfaces/20201114-232854 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git f01c30de86f1047e9bae1b1b1417b0ce8dcd15b1 config: x86_64-randconfig-a005-20201115 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 9a85643cd357e412cff69067bb5c4840e228c2ab) 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/80a9b72580bad04e879752fa5c54d278b486e2bb git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Vincent-Mailhol/can-usb-etas_es58X-add-support-for-ETAS-ES58X-CAN-USB-interfaces/20201114-232854 git checkout 80a9b72580bad04e879752fa5c54d278b486e2bb # 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@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/net/can/usb/etas_es58x/es58x_core.c:745:12: error: use of undeclared identifier 'CAN_MAX_RAW_DLC' if (dlc > CAN_MAX_RAW_DLC) { ^ drivers/net/can/usb/etas_es58x/es58x_core.c:748:22: error: use of undeclared identifier 'CAN_MAX_RAW_DLC' __func__, dlc, CAN_MAX_RAW_DLC); ^ >> drivers/net/can/usb/etas_es58x/es58x_core.c:753:9: error: implicit declaration of function 'can_fd_dlc2len' [-Werror,-Wimplicit-function-declaration] len = can_fd_dlc2len(dlc); ^ drivers/net/can/usb/etas_es58x/es58x_core.c:753:9: note: did you mean 'can_dlc2len'? include/linux/can/dev.h:190:4: note: 'can_dlc2len' declared here u8 can_dlc2len(u8 can_dlc); ^ >> drivers/net/can/usb/etas_es58x/es58x_core.c:756:9: error: implicit declaration of function 'can_cc_dlc2len' [-Werror,-Wimplicit-function-declaration] len = can_cc_dlc2len(dlc); ^ drivers/net/can/usb/etas_es58x/es58x_core.c:756:9: note: did you mean 'can_dlc2len'? include/linux/can/dev.h:190:4: note: 'can_dlc2len' declared here u8 can_dlc2len(u8 can_dlc); ^ >> drivers/net/can/usb/etas_es58x/es58x_core.c:775:3: error: implicit declaration of function 'can_frame_set_cc_len' [-Werror,-Wimplicit-function-declaration] can_frame_set_cc_len(ccf, dlc, es58x_priv(netdev)->can.ctrlmode); ^ 5 errors generated. -- >> drivers/net/can/usb/etas_es58x/es581_4.c:385:20: error: implicit declaration of function 'can_get_cc_dlc' [-Werror,-Wimplicit-function-declaration] tx_can_msg->dlc = can_get_cc_dlc(cf, priv->can.ctrlmode); ^ >> drivers/net/can/usb/etas_es58x/es581_4.c:387:41: error: no member named 'len' in 'struct can_frame' memcpy(tx_can_msg->data, cf->data, cf->len); ~~ ^ >> drivers/net/can/usb/etas_es58x/es581_4.c:391:13: error: implicit declaration of function 'can_cc_dlc2len' [-Werror,-Wimplicit-function-declaration] msg_len += es581_4_sizeof_rx_tx_msg(*tx_can_msg); ^ drivers/net/can/usb/etas_es58x/es581_4.c:30:29: note: expanded from macro 'es581_4_sizeof_rx_tx_msg' offsetof(typeof(msg), data[can_cc_dlc2len((msg).dlc)]) ^ drivers/net/can/usb/etas_es58x/es581_4.c:391:13: note: did you mean 'can_dlc2len'? drivers/net/can/usb/etas_es58x/es581_4.c:30:29: note: expanded from macro 'es581_4_sizeof_rx_tx_msg' offsetof(typeof(msg), data[can_cc_dlc2len((msg).dlc)]) ^ include/linux/can/dev.h:190:4: note: 'can_dlc2len' declared here u8 can_dlc2len(u8 can_dlc); ^ >> drivers/net/can/usb/etas_es58x/es581_4.c:515:48: error: use of undeclared identifier 'CAN_CTRLMODE_CC_LEN8_DLC' .ctrlmode_supported = CAN_CTRLMODE_LOOPBACK | CAN_CTRLMODE_CC_LEN8_DLC, ^ 4 errors generated. -- >> drivers/net/can/usb/etas_es58x/es58x_fd.c:119:24: error: implicit declaration of function 'can_cc_dlc2len' [-Werror,-Wimplicit-function-declaration] u16 rx_can_msg_len = es58x_fd_sizeof_rx_tx_msg(*rx_can_msg); ^ drivers/net/can/usb/etas_es58x/es58x_fd.c:36:3: note: expanded from macro 'es58x_fd_sizeof_rx_tx_msg' can_cc_dlc2len(__msg.dlc); \ ^ drivers/net/can/usb/etas_es58x/es58x_fd.c:119:24: note: did you mean 'can_dlc2len'? drivers/net/can/usb/etas_es58x/es58x_fd.c:36:3: note: expanded from macro 'es58x_fd_sizeof_rx_tx_msg' can_cc_dlc2len(__msg.dlc); \ ^ include/linux/can/dev.h:190:4: note: 'can_dlc2len' declared here u8 can_dlc2len(u8 can_dlc); ^ >> drivers/net/can/usb/etas_es58x/es58x_fd.c:141:11: error: implicit declaration of function 'can_fd_len2dlc' [-Werror,-Wimplicit-function-declaration] dlc = can_fd_len2dlc(rx_can_msg->len); ^ drivers/net/can/usb/etas_es58x/es58x_fd.c:141:11: note: did you mean 'can_len2dlc'? include/linux/can/dev.h:193:4: note: 'can_len2dlc' declared here u8 can_len2dlc(u8 len); ^ >> drivers/net/can/usb/etas_es58x/es58x_fd.c:371:25: error: no member named 'len' in 'struct can_frame' tx_can_msg->len = cf->len; ~~ ^ >> drivers/net/can/usb/etas_es58x/es58x_fd.c:373:21: error: implicit declaration of function 'can_get_cc_dlc' [-Werror,-Wimplicit-function-declaration] tx_can_msg->dlc = can_get_cc_dlc(cf, priv->can.ctrlmode); ^ drivers/net/can/usb/etas_es58x/es58x_fd.c:374:41: error: no member named 'len' in 'struct can_frame' memcpy(tx_can_msg->data, cf->data, cf->len); ~~ ^ drivers/net/can/usb/etas_es58x/es58x_fd.c:377:13: error: implicit declaration of function 'can_cc_dlc2len' [-Werror,-Wimplicit-function-declaration] msg_len += es58x_fd_sizeof_rx_tx_msg(*tx_can_msg); ^ drivers/net/can/usb/etas_es58x/es58x_fd.c:36:3: note: expanded from macro 'es58x_fd_sizeof_rx_tx_msg' can_cc_dlc2len(__msg.dlc); \ ^ >> drivers/net/can/usb/etas_es58x/es58x_fd.c:617:6: error: use of undeclared identifier 'CAN_CTRLMODE_CC_LEN8_DLC' CAN_CTRLMODE_CC_LEN8_DLC, ^ 7 errors generated. vim +/CAN_MAX_RAW_DLC +745 drivers/net/can/usb/etas_es58x/es58x_core.c 718 719 /** 720 * es58x_rx_can_msg() - Handle a received a CAN message. 721 * @netdev: CAN network device. 722 * @timestamp: Hardware time stamp (only relevant in rx branches). 723 * @data: CAN payload. 724 * @can_id: CAN ID. 725 * @es58x_flags: Please refer to enum es58x_flag. 726 * @dlc: Data Length Code (raw value). 727 * 728 * Fill up a CAN skb and post it. 729 * 730 * This function handles the case where the DLC of a classical CAN 731 * frame is greater than CAN_MAX_DLEN (c.f. the len8_dlc field of 732 * struct can_frame). 733 * 734 * Return: zero on success. 735 */ 736 int es58x_rx_can_msg(struct net_device *netdev, u64 timestamp, const u8 *data, 737 canid_t can_id, enum es58x_flag es58x_flags, u8 dlc) 738 { 739 struct canfd_frame *cfd; 740 struct can_frame *ccf; 741 struct sk_buff *skb; 742 u8 len; 743 bool is_can_fd = !!(es58x_flags & ES58X_FLAG_FD_DATA); 744 > 745 if (dlc > CAN_MAX_RAW_DLC) { 746 netdev_err(netdev, 747 "%s: DLC is %d but maximum should be %d\n", 748 __func__, dlc, CAN_MAX_RAW_DLC); 749 return -EMSGSIZE; 750 } 751 752 if (is_can_fd) { > 753 len = can_fd_dlc2len(dlc); 754 skb = alloc_canfd_skb(netdev, &cfd); 755 } else { > 756 len = can_cc_dlc2len(dlc); 757 skb = alloc_can_skb(netdev, &ccf); 758 cfd = (struct canfd_frame *)ccf; 759 } 760 761 if (!skb) { 762 netdev->stats.rx_dropped++; 763 return -ENOMEM; 764 } 765 cfd->can_id = can_id; 766 if (es58x_flags & ES58X_FLAG_EFF) 767 cfd->can_id |= CAN_EFF_FLAG; 768 if (is_can_fd) { 769 cfd->len = len; 770 if (es58x_flags & ES58X_FLAG_FD_BRS) 771 cfd->flags |= CANFD_BRS; 772 if (es58x_flags & ES58X_FLAG_FD_ESI) 773 cfd->flags |= CANFD_ESI; 774 } else { > 775 can_frame_set_cc_len(ccf, dlc, es58x_priv(netdev)->can.ctrlmode); 776 if (es58x_flags & ES58X_FLAG_RTR) { 777 ccf->can_id |= CAN_RTR_FLAG; 778 len = 0; 779 } 780 } 781 memcpy(cfd->data, data, len); 782 netdev->stats.rx_packets++; 783 netdev->stats.rx_bytes += len; 784 785 es58x_set_skb_timestamp(netdev, skb, timestamp); 786 netif_rx(skb); 787 788 es58x_priv(netdev)->err_passive_before_rtx_success = 0; 789 790 return 0; 791 } 792 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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