Infinite loop regression due to recent change in hostfs.c

[Christian Franke]

Pavel Roskin wrote:
> ...
> Log message:
>         2008-03-30  Pavel Roskin  <...>
>         
>                 * disk/host.c: Include grub/misc.h to fix a warning.
>                 * util/hostfs.c: Use GRUB_MOD_INIT and GRUB_MOD_FINI to fix
>                 warnings about implicit declarations.
>
> CVSWeb URLs:
> http://cvs.savannah.gnu.org/viewcvs/grub2/ChangeLog?cvsroot=grub&r1=1.618&r2=1.619
> http://cvs.savannah.gnu.org/viewcvs/grub2/disk/host.c?cvsroot=grub&r1=1.2&r2=1.3
> http://cvs.savannah.gnu.org/viewcvs/grub2/util/hostfs.c?cvsroot=grub&r1=1.4&r2=1.5

The change in hostfs.c introduces an interesting regression: hostfs now appears 
in *_init.lst and grub_hostfs_init() is called twice in grub-emu and 
grub-fstest. This results in a infinite loop because the hostfs entry of 
grub_fs_list points to itself.

Demo version :-)

$ grub-fstest -d all /dev/sdX ls -l | grep Detecting | head -10000 | uniq -c

You should either undo this change or remove extra calls to 
grub_hostfs_init/fini from grub-emu.c and grub-fstest.c. The latter might not 
work if it is necessary to init hostfs first for some reason.

Christian