Re: [PATCH] Staging: wilc1000: Declare *wilc in init_wilc_driver to fix build error

From: kbuild test robot
Date: Fri Nov 06 2015 - 17:43:44 EST


Hi Punit,

[auto build test WARNING on staging/staging-testing]
[also build test WARNING on next-20151106]
[cannot apply to v4.3]

url: https://github.com/0day-ci/linux/commits/Punit-Vara/Staging-wilc1000-Declare-wilc-in-init_wilc_driver-to-fix-build-error/20151107-060255
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/wilc1000/linux_wlan.c: In function 'init_wilc_driver':
>> drivers/staging/wilc1000/linux_wlan.c:1794:15: warning: unused variable 'wilc' [-Wunused-variable]
struct wilc *wilc;
^

vim +/wilc +1794 drivers/staging/wilc1000/linux_wlan.c

1778 #ifndef WILC_SDIO
1779 if (!linux_spi_init(&g_linux_wlan->wilc_spidev)) {
1780 PRINT_ER("Can't initialize SPI\n");
1781 return -1; /* ERROR */
1782 }
1783 g_linux_wlan->wilc_spidev = wilc_spi_dev;
1784 #else
1785 g_linux_wlan->wilc_sdio_func = local_sdio_func;
1786 #endif
1787
1788 return 0;
1789 }
1790
1791 /*The 1st function called after module inserted*/
1792 static int __init init_wilc_driver(void)
1793 {
> 1794 struct wilc *wilc;
1795 #ifdef WILC_SPI
1796 struct wilc *wilc;
1797 #endif
1798
1799 #if defined(WILC_DEBUGFS)
1800 if (wilc_debugfs_init() < 0) {
1801 PRINT_D(GENERIC_DBG, "fail to create debugfs for wilc driver\n");
1802 return -1;

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