Ok, ignore this v2, I am sending a v3 with this issue fixed I hope. On Sat, Dec 4, 2021 at 5:56 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Deborah, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on media-tree/master] > [also build test WARNING on v5.16-rc3 next-20211203] > [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/Deborah-Brouwer/media-vivid-fix-timestamp-and-sequence-wrapping/20211204-141534 > base: git://linuxtv.org/media_tree.git master > config: i386-randconfig-a013-20211203 (https://download.01.org/0day-ci/archive/20211204/202112042134.zRpYtrRg-lkp@xxxxxxxxx/config) > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5f1d1854eb1450d352663ee732235893c5782237) > 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/e6e5201f7b5b9718f318a5c3034b71fcc79aa47f > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Deborah-Brouwer/media-vivid-fix-timestamp-and-sequence-wrapping/20211204-141534 > git checkout e6e5201f7b5b9718f318a5c3034b71fcc79aa47f > # save the config file to linux build tree > mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/media/test-drivers/vivid/ > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > >> drivers/media/test-drivers/vivid/vivid-ctrls.c:1125:49: warning: overflow in expression; result is -1179869184 with type 'long' [-Winteger-overflow] > dev->time_wrap = (1ULL << 63) - NSEC_PER_SEC * 16; > ^ > 1 warning generated. > > > vim +/long +1125 drivers/media/test-drivers/vivid/vivid-ctrls.c > > 1083 > 1084 static int vivid_streaming_s_ctrl(struct v4l2_ctrl *ctrl) > 1085 { > 1086 struct vivid_dev *dev = container_of(ctrl->handler, struct vivid_dev, ctrl_hdl_streaming); > 1087 > 1088 switch (ctrl->id) { > 1089 case VIVID_CID_DQBUF_ERROR: > 1090 dev->dqbuf_error = true; > 1091 break; > 1092 case VIVID_CID_PERC_DROPPED: > 1093 dev->perc_dropped_buffers = ctrl->val; > 1094 break; > 1095 case VIVID_CID_QUEUE_SETUP_ERROR: > 1096 dev->queue_setup_error = true; > 1097 break; > 1098 case VIVID_CID_BUF_PREPARE_ERROR: > 1099 dev->buf_prepare_error = true; > 1100 break; > 1101 case VIVID_CID_START_STR_ERROR: > 1102 dev->start_streaming_error = true; > 1103 break; > 1104 case VIVID_CID_REQ_VALIDATE_ERROR: > 1105 dev->req_validate_error = true; > 1106 break; > 1107 case VIVID_CID_QUEUE_ERROR: > 1108 if (vb2_start_streaming_called(&dev->vb_vid_cap_q)) > 1109 vb2_queue_error(&dev->vb_vid_cap_q); > 1110 if (vb2_start_streaming_called(&dev->vb_vbi_cap_q)) > 1111 vb2_queue_error(&dev->vb_vbi_cap_q); > 1112 if (vb2_start_streaming_called(&dev->vb_vid_out_q)) > 1113 vb2_queue_error(&dev->vb_vid_out_q); > 1114 if (vb2_start_streaming_called(&dev->vb_vbi_out_q)) > 1115 vb2_queue_error(&dev->vb_vbi_out_q); > 1116 if (vb2_start_streaming_called(&dev->vb_sdr_cap_q)) > 1117 vb2_queue_error(&dev->vb_sdr_cap_q); > 1118 break; > 1119 case VIVID_CID_SEQ_WRAP: > 1120 dev->seq_wrap = ctrl->val; > 1121 break; > 1122 case VIVID_CID_TIME_WRAP: > 1123 dev->time_wrap = ctrl->val; > 1124 if (dev->time_wrap == 1) > > 1125 dev->time_wrap = (1ULL << 63) - NSEC_PER_SEC * 16; > 1126 else if (dev->time_wrap == 2) > 1127 dev->time_wrap = ((1ULL << 31) - 16) * NSEC_PER_SEC; > 1128 break; > 1129 } > 1130 return 0; > 1131 } > 1132 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx