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SubjectRe: [kbuild-all] Re: [PATCH v6] can: usb: etas_es58X: add support for ETAS ES58X CAN USB interfaces
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On 11/15/20 7:41 PM, Vincent MAILHOL wrote:
> The report from Intel's test robot is a false positive.
>
> On Sun. 15 Nov. 2020 at 03:12, kernel test robot wrote:
>> 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.
> Patch is applied to the wrong git tree. It is based on the testing
> branch of linux-can-next:
> https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git/log/?h=testing
>
>> And when submitting patch, we suggest to use '--base' as documented in
>> https://git-scm.com/docs/git-format-patch]
> I did so (c.f. the base-commit and prerequisite-patch-id tags at the
> bottom of the patch). While the base-commit was taken into account,
> the prerequisite-patch-id tags seem to have been ignored.
>
> FYI, I used the below command to generate the patch.
> git format-patch --base=bff6f1db91e330d7fba56f815cdbc412c75fe163 -v6
> -o patch/v6 HEAD~1

Hi Vincent,

Thanks for the feedback, we'll fix the problem asap.

Best Regards,
Rong Chen


>
>
> Yours sincerely,
> Vincent Mailhol
>
>> 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@intel.com>
>>
>> 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@lists.01.org
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