FYI: When CONFIG_HZ=24 (arch/mips/): ../drivers/staging/rtl8192e/rtllib_wx.c: In function 'rtl819x_translate_scan': ../drivers/staging/rtl8192e/rtllib_wx.c:220:57: warning: division by zero [-Wdiv-by-zero] 220 | (jiffies - network->last_scanned) / (HZ / 100)); | ^ In file included from ../include/linux/skbuff.h:45, from ../include/linux/if_ether.h:19, from ../include/linux/etherdevice.h:20, from ../drivers/staging/rtl8192e/rtllib_wx.c:18: ../drivers/staging/rtl8192e/rtllib_wx.c: In function 'rtllib_wx_get_scan': ../drivers/staging/rtl8192e/rtllib_wx.c:261:70: warning: division by zero [-Wdiv-by-zero] 261 | (jiffies - network->last_scanned) / | -- ~Randy