[PATCH] modprobe blacklist support

[Natanael Copa]

Hi,

Attatched is a patch that adds support for the 'blacklist' command in
modprobe.conf. This useful if you want prevent your hardware
autodetection scripts to load modules like evdev, frame buffer drivers
etc.

Just like standard modprobe you can still modprobe blacklisted modules
by specifying them directly.

bloatcheck on 64bit glibc/gcc-4
function                                             old     new   delta
is_conf_command                                        -      67     +67
include_conf                                         998    1032     +34
check_dep                                            417     425      +8
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/0 up/down: 109/0)             Total: 109
bytes
   text	   data	    bss	    dec	    hex	filename
  14638	    797	   8312	  23747	   5cc3	busybox_old
  14796	    797	   8312	  23905	   5d61	busybox_unstripped


On x86 glibc/gcc-4 the patch reduced size with 6 bytes when the
blacklist was disabled (due to the is_conf_command function)

-nc
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