Hi Andrzej, [auto build test WARNING on next-20151209] [cannot apply to balbi-usb/next usb/usb-testing v4.4-rc4 v4.4-rc3 v4.4-rc2 v4.4-rc4] url: https://github.com/0day-ci/linux/commits/Andrzej-Pietrasiewicz/usb-gadget-f_tcm-ignore-return-value-of-queue_work/20151209-225509 config: i386-allmodconfig (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers/usb/gadget/function/f_tcm.c: In function 'usbg_submit_command': >> drivers/usb/gadget/function/f_tcm.c:1084:6: warning: unused variable 'ret' [-Wunused-variable] int ret; ^ drivers/usb/gadget/function/f_tcm.c: In function 'bot_submit_command': drivers/usb/gadget/function/f_tcm.c:1197:6: warning: unused variable 'ret' [-Wunused-variable] int ret; ^ vim +/ret +1084 drivers/usb/gadget/function/f_tcm.c b4b91143 Andrzej Pietrasiewicz 2015-10-27 1068 return; b4b91143 Andrzej Pietrasiewicz 2015-10-27 1069 b4b91143 Andrzej Pietrasiewicz 2015-10-27 1070 out: b4b91143 Andrzej Pietrasiewicz 2015-10-27 1071 transport_send_check_condition_and_sense(se_cmd, b4b91143 Andrzej Pietrasiewicz 2015-10-27 1072 TCM_UNSUPPORTED_SCSI_OPCODE, 1); b4b91143 Andrzej Pietrasiewicz 2015-10-27 1073 usbg_cleanup_cmd(cmd); b4b91143 Andrzej Pietrasiewicz 2015-10-27 1074 } b4b91143 Andrzej Pietrasiewicz 2015-10-27 1075 b4b91143 Andrzej Pietrasiewicz 2015-10-27 1076 static int usbg_submit_command(struct f_uas *fu, b4b91143 Andrzej Pietrasiewicz 2015-10-27 1077 void *cmdbuf, unsigned int len) b4b91143 Andrzej Pietrasiewicz 2015-10-27 1078 { b4b91143 Andrzej Pietrasiewicz 2015-10-27 1079 struct command_iu *cmd_iu = cmdbuf; b4b91143 Andrzej Pietrasiewicz 2015-10-27 1080 struct usbg_cmd *cmd; b4b91143 Andrzej Pietrasiewicz 2015-10-27 1081 struct usbg_tpg *tpg; b4b91143 Andrzej Pietrasiewicz 2015-10-27 1082 struct tcm_usbg_nexus *tv_nexus; b4b91143 Andrzej Pietrasiewicz 2015-10-27 1083 u32 cmd_len; b4b91143 Andrzej Pietrasiewicz 2015-10-27 @1084 int ret; b4b91143 Andrzej Pietrasiewicz 2015-10-27 1085 b4b91143 Andrzej Pietrasiewicz 2015-10-27 1086 if (cmd_iu->iu_id != IU_ID_COMMAND) { b4b91143 Andrzej Pietrasiewicz 2015-10-27 1087 pr_err("Unsupported type %d\n", cmd_iu->iu_id); b4b91143 Andrzej Pietrasiewicz 2015-10-27 1088 return -EINVAL; b4b91143 Andrzej Pietrasiewicz 2015-10-27 1089 } b4b91143 Andrzej Pietrasiewicz 2015-10-27 1090 b4b91143 Andrzej Pietrasiewicz 2015-10-27 1091 cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); b4b91143 Andrzej Pietrasiewicz 2015-10-27 1092 if (!cmd) :::::: The code at line 1084 was first introduced by commit :::::: b4b91143ec451471ab9bbb9966afc82ce92f65e8 usb: gadget: tcm: factor out f_tcm :::::: TO: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx> :::::: CC: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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