Cross-Referenced Linux and Device Driver Code

Diff markup

Differences between /ldd-examples/scullp/scullp_load (Version 2.6.31.13) and /ldd-examples/scullp/scullp_load (Version 2.6.25.8)

   #!/bin/sh                                         
   module="scullp"                                   
   device="scullp"                                   
   mode="664"                                        
                                                     
   # Group: since distributions do it differently    
   if grep '^staff:' /etc/group > /dev/null; then    
       group="staff"                                 
   else                                              
      group="wheel"                                 
  fi                                                
                                                    
  # remove stale nodes                              
  rm -f /dev/${device}?                             
                                                    
  # invoke insmod with all arguments we got         
  # and use a pathname, as newer modutils don't     
  /sbin/insmod -f ./$module.ko $* || exit 1         
                                                    
  major=`cat /proc/devices | awk "\\$2==\"$modul    
                                                    
  mknod /dev/${device}0 c $major 0                  
  mknod /dev/${device}1 c $major 1                  
  mknod /dev/${device}2 c $major 2                  
  mknod /dev/${device}3 c $major 3                  
  ln -sf ${device}0  /dev/${device}                 
                                                    
  # give appropriate group/permissions              
  chgrp $group /dev/${device}[0-3]                  
  chmod $mode  /dev/${device}[0-3]