Hi Salah, [auto build test WARNING on staging/staging-testing] [also build test WARNING on v4.5-rc6 next-20160303] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Salah-Triki/staging-rtl8192u-check-return-value-of-read_nic_word_E/20160304-093832 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/staging/rtl8192u/r8192U_core.c: In function 'rtl8192_read_eeprom_info': >> drivers/staging/rtl8192u/r8192U_core.c:2496:8: warning: unused variable 'tmp' [-Wunused-variable] u16 tmp = 0; ^ drivers/staging/rtl8192u/r8192U_core.c:2707:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +/tmp +2496 drivers/staging/rtl8192u/r8192U_core.c 8fc8598e Jerry Chuang 2009-11-03 2480 priv->eeprom_vid = 0; 8fc8598e Jerry Chuang 2009-11-03 2481 priv->eeprom_pid = 0; 8fc8598e Jerry Chuang 2009-11-03 2482 priv->card_8192_version = VERSION_819xU_B; 8fc8598e Jerry Chuang 2009-11-03 2483 priv->eeprom_ChannelPlan = 0; 8fc8598e Jerry Chuang 2009-11-03 2484 priv->eeprom_CustomerID = 0; 8fc8598e Jerry Chuang 2009-11-03 2485 } 069b3162 Raphaël Beamonte 2015-09-20 2486 RT_TRACE(COMP_EPROM, 069b3162 Raphaël Beamonte 2015-09-20 2487 "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n", 069b3162 Raphaël Beamonte 2015-09-20 2488 priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID, 069b3162 Raphaël Beamonte 2015-09-20 2489 priv->eeprom_ChannelPlan); 14285c1f Raphaël Beamonte 2015-08-18 2490 /* set channelplan from eeprom */ 8fc8598e Jerry Chuang 2009-11-03 2491 priv->ChannelPlan = priv->eeprom_ChannelPlan; 2716141c Xenia Ragiadakou 2013-06-03 2492 if (bLoad_From_EEPOM) { 8fc8598e Jerry Chuang 2009-11-03 2493 int i; 7b25c24e Raphaël Beamonte 2015-08-18 2494 2716141c Xenia Ragiadakou 2013-06-03 2495 for (i = 0; i < 6; i += 2) { 8fc8598e Jerry Chuang 2009-11-03 @2496 u16 tmp = 0; 7b25c24e Raphaël Beamonte 2015-08-18 2497 f32e9126 Salah Triki 2016-03-03 2498 ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1)); f32e9126 Salah Triki 2016-03-03 2499 if (ret) f32e9126 Salah Triki 2016-03-03 2500 return ret; f32e9126 Salah Triki 2016-03-03 2501 *(u16 *)(&dev->dev_addr[i]) = (u16) ret; 8fc8598e Jerry Chuang 2009-11-03 2502 } 2716141c Xenia Ragiadakou 2013-06-03 2503 } else { 8fc8598e Jerry Chuang 2009-11-03 2504 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6); :::::: The code at line 2496 was first introduced by commit :::::: 8fc8598e61f6f384f3eaf1d9b09500c12af47b37 Staging: Added Realtek rtl8192u driver to staging :::::: TO: Jerry Chuang <jerry-chuang@xxxxxxxxxxx> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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