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    SubjectRe: [PATCH 2/2] usb: gadget: functionfs: Add DMABUF import interface
    Hi Paul,

    I love your patch! Yet something to improve:

    [auto build test ERROR on usb/usb-testing]
    [also build test ERROR on usb/usb-next usb/usb-linus linus/master v6.3-rc2 next-20230315]
    [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#_base_tree_information]

    url: https://github.com/intel-lab-lkp/linux/commits/Paul-Cercueil/usb-gadget-Support-already-mapped-DMA-SGs/20230314-185522
    base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
    patch link: https://lore.kernel.org/r/20230314105257.17345-3-paul%40crapouillou.net
    patch subject: [PATCH 2/2] usb: gadget: functionfs: Add DMABUF import interface
    config: i386-randconfig-a014-20230313 (https://download.01.org/0day-ci/archive/20230316/202303160514.ZHer8I6t-lkp@intel.com/config)
    compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
    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
    # https://github.com/intel-lab-lkp/linux/commit/4ee364ed5d112c4550344fd037f4e1ef7cc41878
    git remote add linux-review https://github.com/intel-lab-lkp/linux
    git fetch --no-tags linux-review Paul-Cercueil/usb-gadget-Support-already-mapped-DMA-SGs/20230314-185522
    git checkout 4ee364ed5d112c4550344fd037f4e1ef7cc41878
    # save the config file
    mkdir build_dir && cp config build_dir/.config
    COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
    COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

    If you fix the issue, kindly add following tag where applicable
    | Reported-by: kernel test robot <lkp@intel.com>
    | Link: https://lore.kernel.org/oe-kbuild-all/202303160514.ZHer8I6t-lkp@intel.com/

    All errors (new ones prefixed by >>, old ones prefixed by <<):

    >> ERROR: modpost: module usb_f_fs uses symbol dma_buf_get from namespace DMA_BUF, but does not import it.
    >> ERROR: modpost: module usb_f_fs uses symbol dma_buf_attach from namespace DMA_BUF, but does not import it.
    >> ERROR: modpost: module usb_f_fs uses symbol dma_buf_detach from namespace DMA_BUF, but does not import it.
    >> ERROR: modpost: module usb_f_fs uses symbol dma_buf_put from namespace DMA_BUF, but does not import it.
    >> ERROR: modpost: module usb_f_fs uses symbol dma_buf_map_attachment from namespace DMA_BUF, but does not import it.
    >> ERROR: modpost: module usb_f_fs uses symbol dma_buf_unmap_attachment from namespace DMA_BUF, but does not import it.

    --
    0-DAY CI Kernel Test Service
    https://github.com/intel/lkp-tests

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