[kbuild-all] [linux-next:master 1840/2242] drivers/remoteproc/qcom_q6v5_mss.c:772:3: error: implicit declaration of function 'kfree'; did you mean

tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ce2cc8efd7a40cbd17841add878cb691d0ce0bba commit: 159acfa8df28d1a65e19e3cd93c210c9471eeab0 [1840/2242] iov_iter: Move unnecessary inclusion of crypto/hash.h config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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 git checkout 159acfa8df28d1a65e19e3cd93c210c9471eeab0 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Note: the linux-next/master HEAD ce2cc8efd7a40cbd17841add878cb691d0ce0bba builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): drivers/remoteproc/qcom_q6v5_mss.c: In function 'q6v5_mpss_init_image': 772 | kfree(metadata); | ^~~~~ | vfree cc1: some warnings being treated as errors vim +772 drivers/remoteproc/qcom_q6v5_mss.c 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 754 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 755 static int q6v5_mpss_init_image(struct q6v5 *qproc, const struct firmware *fw) 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 756 { 00085f1efa387a drivers/remoteproc/qcom_q6v5_pil.c Krzysztof Kozlowski 2016-08-03 757 unsigned long dma_attrs = DMA_ATTR_FORCE_CONTIGUOUS; 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 758 dma_addr_t phys; f04b913834569e drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2019-06-21 759 void *metadata; 6c5a9dc2481b48 drivers/remoteproc/qcom_q6v5_pil.c Avaneesh Kumar Dwivedi 2017-10-24 760 int mdata_perm; 6c5a9dc2481b48 drivers/remoteproc/qcom_q6v5_pil.c Avaneesh Kumar Dwivedi 2017-10-24 761 int xferop_ret; f04b913834569e drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2019-06-21 762 size_t size; 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 763 void *ptr; 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 764 int ret; 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 765 f04b913834569e drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2019-06-21 766 metadata = qcom_mdt_read_metadata(fw, &size); f04b913834569e drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2019-06-21 767 if (IS_ERR(metadata)) f04b913834569e drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2019-06-21 768 return PTR_ERR(metadata); f04b913834569e drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2019-06-21 769 f04b913834569e drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2019-06-21 770 ptr = dma_alloc_attrs(qproc->dev, size, &phys, GFP_KERNEL, dma_attrs); 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 771 if (!ptr) { f04b913834569e drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2019-06-21 @772 kfree(metadata); 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 773 dev_err(qproc->dev, "failed to allocate mdt buffer\n"); 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 774 return -ENOMEM; 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 775 } 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 776 f04b913834569e drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2019-06-21 777 memcpy(ptr, metadata, size); 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 778 6c5a9dc2481b48 drivers/remoteproc/qcom_q6v5_pil.c Avaneesh Kumar Dwivedi 2017-10-24 779 /* Hypervisor mapping to access metadata by modem */ 6c5a9dc2481b48 drivers/remoteproc/qcom_q6v5_pil.c Avaneesh Kumar Dwivedi 2017-10-24 780 mdata_perm = BIT(QCOM_SCM_VMID_HLOS); 715d85251957ad drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2020-03-05 781 ret = q6v5_xfer_mem_ownership(qproc, &mdata_perm, false, true, 715d85251957ad drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2020-03-05 782 phys, size); 9f2a4342a8bf24 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2017-11-06 783 if (ret) { 9f2a4342a8bf24 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2017-11-06 784 dev_err(qproc->dev, 9f2a4342a8bf24 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2017-11-06 785 "assigning Q6 access to metadata failed: %d\n", ret); 1a5d5c592e9021 drivers/remoteproc/qcom_q6v5_pil.c Christophe JAILLET 2017-11-15 786 ret = -EAGAIN; 1a5d5c592e9021 drivers/remoteproc/qcom_q6v5_pil.c Christophe JAILLET 2017-11-15 787 goto free_dma_attrs; 9f2a4342a8bf24 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2017-11-06 788 } 6c5a9dc2481b48 drivers/remoteproc/qcom_q6v5_pil.c Avaneesh Kumar Dwivedi 2017-10-24 789 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 790 writel(phys, qproc->rmb_base + RMB_PMI_META_DATA_REG); 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 791 writel(RMB_CMD_META_DATA_READY, qproc->rmb_base + RMB_MBA_COMMAND_REG); 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 792 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 793 ret = q6v5_rmb_mba_wait(qproc, RMB_MBA_META_DATA_AUTH_SUCCESS, 1000); 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 794 if (ret == -ETIMEDOUT) 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 795 dev_err(qproc->dev, "MPSS header authentication timed out\n"); 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 796 else if (ret < 0) 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 797 dev_err(qproc->dev, "MPSS header authentication failed: %d\n", ret); 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 798 6c5a9dc2481b48 drivers/remoteproc/qcom_q6v5_pil.c Avaneesh Kumar Dwivedi 2017-10-24 799 /* Metadata authentication done, remove modem access */ 715d85251957ad drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2020-03-05 800 xferop_ret = q6v5_xfer_mem_ownership(qproc, &mdata_perm, true, false, 715d85251957ad drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2020-03-05 801 phys, size); 6c5a9dc2481b48 drivers/remoteproc/qcom_q6v5_pil.c Avaneesh Kumar Dwivedi 2017-10-24 802 if (xferop_ret) 6c5a9dc2481b48 drivers/remoteproc/qcom_q6v5_pil.c Avaneesh Kumar Dwivedi 2017-10-24 803 dev_warn(qproc->dev, 6c5a9dc2481b48 drivers/remoteproc/qcom_q6v5_pil.c Avaneesh Kumar Dwivedi 2017-10-24 804 "mdt buffer not reclaimed system may become unstable\n"); 6c5a9dc2481b48 drivers/remoteproc/qcom_q6v5_pil.c Avaneesh Kumar Dwivedi 2017-10-24 805 1a5d5c592e9021 drivers/remoteproc/qcom_q6v5_pil.c Christophe JAILLET 2017-11-15 806 free_dma_attrs: f04b913834569e drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2019-06-21 807 dma_free_attrs(qproc->dev, size, ptr, phys, dma_attrs); f04b913834569e drivers/remoteproc/qcom_q6v5_mss.c Bjorn Andersson 2019-06-21 808 kfree(metadata); 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 809 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 810 return ret < 0 ? ret : 0; 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 811 } 051fb70fd4ea40 drivers/remoteproc/qcom_q6v5_pil.c Bjorn Andersson 2016-06-20 812 :::::: The code at line 772 was first introduced by commit :::::: f04b913834569efbbee442f2a3fb6199ce94dbbc remoteproc: qcom: q6v5-mss: Support loading non-split images :::::: TO: Bjorn Andersson <bjorn.andersson(a)linaro.org&gt; :::::: CC: Bjorn Andersson <bjorn.andersson(a)linaro.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org