Hi Ivan, [auto build test WARNING on net-next/master -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
url: https://github.com/0day-ci/linux/commits/Ivan-Vecera/drivers-net-get-rid-of-unnecessary-initializations-in-get_drvinfo/20151015-002923 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/net/usb/sr9800.c: In function 'sr_get_drvinfo': >> drivers/net/usb/sr9800.c:474:18: warning: unused variable 'data' >> [-Wunused-variable] struct sr_data *data = (struct sr_data *)&dev->data; ^ vim +/data +474 drivers/net/usb/sr9800.c 19a38d8e Liu Junliang 2014-02-10 458 eeprom->magic = SR_EEPROM_MAGIC; 19a38d8e Liu Junliang 2014-02-10 459 19a38d8e Liu Junliang 2014-02-10 460 /* sr9800 returns 2 bytes from eeprom on read */ 19a38d8e Liu Junliang 2014-02-10 461 for (i = 0; i < eeprom->len / 2; i++) { 19a38d8e Liu Junliang 2014-02-10 462 ret = sr_read_cmd(dev, SR_CMD_READ_EEPROM, eeprom->offset + i, 19a38d8e Liu Junliang 2014-02-10 463 0, 2, &ebuf[i]); 19a38d8e Liu Junliang 2014-02-10 464 if (ret < 0) 19a38d8e Liu Junliang 2014-02-10 465 return -EINVAL; 19a38d8e Liu Junliang 2014-02-10 466 } 19a38d8e Liu Junliang 2014-02-10 467 return 0; 19a38d8e Liu Junliang 2014-02-10 468 } 19a38d8e Liu Junliang 2014-02-10 469 19a38d8e Liu Junliang 2014-02-10 470 static void sr_get_drvinfo(struct net_device *net, 19a38d8e Liu Junliang 2014-02-10 471 struct ethtool_drvinfo *info) 19a38d8e Liu Junliang 2014-02-10 472 { 19a38d8e Liu Junliang 2014-02-10 473 struct usbnet *dev = netdev_priv(net); 19a38d8e Liu Junliang 2014-02-10 @474 struct sr_data *data = (struct sr_data *)&dev->data; 19a38d8e Liu Junliang 2014-02-10 475 19a38d8e Liu Junliang 2014-02-10 476 /* Inherit standard device info */ 19a38d8e Liu Junliang 2014-02-10 477 usbnet_get_drvinfo(net, info); 19a38d8e Liu Junliang 2014-02-10 478 strncpy(info->driver, DRIVER_NAME, sizeof(info->driver)); 19a38d8e Liu Junliang 2014-02-10 479 strncpy(info->version, DRIVER_VERSION, sizeof(info->version)); 19a38d8e Liu Junliang 2014-02-10 480 } 19a38d8e Liu Junliang 2014-02-10 481 19a38d8e Liu Junliang 2014-02-10 482 static u32 sr_get_link(struct net_device *net) :::::: The code at line 474 was first introduced by commit :::::: 19a38d8e0aa33b4f4d11d3b4baa902ad169daa80 USB2NET : SR9800 : One chip USB2.0 USB2NET SR9800 Device Driver Support :::::: TO: Liu Junliang <liujunliang_...@163.com> :::::: CC: David S. Miller <da...@davemloft.net> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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