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* grub-core/kern/ieee1275/init.c (grub_machine_get_bootlocation): Use

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dynamic allocation for the bootpath buffer.
This commit is contained in:
Paulo Flabiano Smorigo 2012-12-10 16:23:16 +01:00 committed by Vladimir 'phcoder' Serbinenko
parent 74b2fe3e4f
commit 64ebd2f4b9
2 changed files with 22 additions and 4 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2012-12-10 Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
* grub-core/kern/ieee1275/init.c (grub_machine_get_bootlocation): Use
dynamic allocation for the bootpath buffer.
2012-12-10 Dr. Tilmann Bubeck <t.bubeck@reinform.de>
* grub-core/gfxmenu/view.c (init_terminal): Avoid making terminal

21
grub-core/kern/ieee1275/init.c
View file

@ -82,18 +82,30 @@ void (*grub_ieee1275_net_config) (const char *dev,
void
grub_machine_get_bootlocation (char **device, char **path)
{
char bootpath[64]; /* XXX check length */
char *bootpath;
grub_ssize_t bootpath_size;
char *filename;
char *type;
if (grub_ieee1275_get_property (grub_ieee1275_chosen, "bootpath", &bootpath,
sizeof (bootpath), 0))
if (grub_ieee1275_get_property_length (grub_ieee1275_chosen, "bootpath",
&bootpath_size)
|| bootpath_size <= 0)
{
/* Should never happen. */
grub_printf ("/chosen/bootpath property missing!\n");
return;
}
bootpath = (char *) grub_malloc ((grub_size_t) bootpath_size + 64);
if (! bootpath)
{
grub_print_error ();
return;
}
grub_ieee1275_get_property (grub_ieee1275_chosen, "bootpath", bootpath,
(grub_size_t) bootpath_size + 1, 0);
bootpath[bootpath_size] = '\0';
/* Transform an OF device path to a GRUB path. */
type = grub_ieee1275_get_device_type (bootpath);
@ -132,6 +144,7 @@ grub_machine_get_bootlocation (char **device, char **path)
*path = filename;
}
}
grub_free (bootpath);
}
/* Claim some available memory in the first /memory node. */