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2010-08-01 Robert Millan <rmh@gnu.org>

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Make it even harder to use uninitialized `libzfs_handle' (and
	make the interface a bit simpler).
	
	* include/grub/util/misc.h (grub_util_init_libzfs)
	(libzfs_handle): Remove.
	(grub_get_libzfs_handle): New prototype.
	
	* util/misc.c [HAVE_LIBZFS] (libzfs_handle): Add `static'
	attribute.
	(grub_util_init_libzfs): Remove.
	(grub_get_libzfs_handle): New function.
	
	* kern/emu/getroot.c (find_root_device_from_libzfs): Use
	grub_get_libzfs_handle() to obtain a libzfs handle instead of
	accessing `libzfs_handle' directly.
This commit is contained in:
Robert Millan 2010-08-01 23:12:24 +02:00
parent c882acc031
commit f7abdefbdd
4 changed files with 27 additions and 12 deletions
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14
util/misc.c
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@ -296,27 +296,27 @@ grub_util_init_nls (void)
}
#ifdef HAVE_LIBZFS
libzfs_handle_t *libzfs_handle;
static libzfs_handle_t *libzfs_handle;
static void
fini_libzfs (void)
{
libzfs_fini (libzfs_handle);
}
#endif
void
grub_util_init_libzfs (void)
libzfs_handle_t *
grub_get_libzfs_handle (void)
{
#ifdef HAVE_LIBZFS
if (! libzfs_handle)
{
libzfs_handle = libzfs_init ();
atexit (fini_libzfs);
}
#endif
return libzfs_handle;
}
#endif
#endif /* HAVE_LIBZFS */
#endif /* GRUB_UTIL */
int
grub_dl_ref (grub_dl_t mod)