Hi Jeya, Thank you for the patch! Yet something to improve: [auto build test ERROR on char-misc/char-misc-testing] [also build test ERROR on v5.16-rc3 next-20211126] [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/Jeya-R/Add-DMA-handle-implementation/20211129-133228 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git cd455ebb748c4e198c8158e5d61b3034bf10f22b config: microblaze-randconfig-r031-20211128 (https://download.01.org/0day-ci/archive/20211129/202111291535.1s3d27nD-lkp@xxxxxxxxx/config) compiler: microblaze-linux-gcc (GCC) 11.2.0 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 # https://github.com/0day-ci/linux/commit/fda521c79abfc2f40115cb53cffb3a3886e8a2f9 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jeya-R/Add-DMA-handle-implementation/20211129-133228 git checkout fda521c79abfc2f40115cb53cffb3a3886e8a2f9 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=microblaze SHELL=/bin/bash drivers/misc/ 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/misc/fastrpc.c: In function 'fastrpc_put_args': >> drivers/misc/fastrpc.c:923:39: error: 'fl' undeclared (first use in this function); did you mean 'fd'? 923 | if (!fastrpc_map_find(fl, (int)fdlist[i], &mmap)) | ^~ | fd drivers/misc/fastrpc.c:923:39: note: each undeclared identifier is reported only once for each function it appears in vim +923 drivers/misc/fastrpc.c 886 887 static int fastrpc_put_args(struct fastrpc_invoke_ctx *ctx, 888 u32 kernel) 889 { 890 struct fastrpc_remote_arg *rpra = ctx->rpra; 891 struct fastrpc_map *mmap = NULL; 892 struct fastrpc_invoke_buf *list; 893 struct fastrpc_phy_page *pages; 894 u64 *fdlist; 895 int i, inbufs, outbufs, handles; 896 897 inbufs = REMOTE_SCALARS_INBUFS(ctx->sc); 898 outbufs = REMOTE_SCALARS_OUTBUFS(ctx->sc); 899 handles = REMOTE_SCALARS_INHANDLES(ctx->sc) + REMOTE_SCALARS_OUTHANDLES(ctx->sc); 900 list = ctx->buf->virt + ctx->nscalars * sizeof(*rpra); 901 pages = ctx->buf->virt + ctx->nscalars * (sizeof(*list) + 902 sizeof(*rpra)); 903 fdlist = (uint64_t *)(pages + inbufs + outbufs + handles); 904 905 for (i = inbufs; i < ctx->nbufs; ++i) { 906 if (!ctx->maps[i]) { 907 void *src = (void *)(uintptr_t)rpra[i].pv; 908 void *dst = (void *)(uintptr_t)ctx->args[i].ptr; 909 u64 len = rpra[i].len; 910 911 if (!kernel) { 912 if (copy_to_user((void __user *)dst, src, len)) 913 return -EFAULT; 914 } else { 915 memcpy(dst, src, len); 916 } 917 } 918 } 919 920 for (i = 0; i < FASTRPC_MAX_FDLIST; i++) { 921 if (!fdlist[i]) 922 break; > 923 if (!fastrpc_map_find(fl, (int)fdlist[i], &mmap)) 924 fastrpc_map_put(mmap); 925 } 926 927 return 0; 928 } 929 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
