76 lines
2.3 KiB
Diff
76 lines
2.3 KiB
Diff
From 188fddf6f99533505a0f8c7c4f8223ba19d8ef6a Mon Sep 17 00:00:00 2001
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From: Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
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Date: Mon, 10 Dec 2012 16:23:16 +0100
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Subject: [PATCH 064/482] * grub-core/kern/ieee1275/init.c
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(grub_machine_get_bootlocation): Use dynamic allocation for the bootpath
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buffer.
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---
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ChangeLog | 5 +++++
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grub-core/kern/ieee1275/init.c | 21 +++++++++++++++++----
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2 files changed, 22 insertions(+), 4 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index ce822ee..8bd581e 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,8 @@
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+2012-12-10 Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
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+
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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.
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+
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2012-12-10 Dr. Tilmann Bubeck <t.bubeck@reinform.de>
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* grub-core/gfxmenu/view.c (init_terminal): Avoid making terminal
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diff --git a/grub-core/kern/ieee1275/init.c b/grub-core/kern/ieee1275/init.c
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index 7d03a8a..14dcdf0 100644
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--- a/grub-core/kern/ieee1275/init.c
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+++ b/grub-core/kern/ieee1275/init.c
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@@ -82,18 +82,30 @@ void (*grub_ieee1275_net_config) (const char *dev,
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void
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grub_machine_get_bootlocation (char **device, char **path)
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{
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- char bootpath[64]; /* XXX check length */
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+ char *bootpath;
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+ grub_ssize_t bootpath_size;
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char *filename;
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char *type;
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-
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- if (grub_ieee1275_get_property (grub_ieee1275_chosen, "bootpath", &bootpath,
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- sizeof (bootpath), 0))
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+
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+ if (grub_ieee1275_get_property_length (grub_ieee1275_chosen, "bootpath",
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+ &bootpath_size)
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+ || bootpath_size <= 0)
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{
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/* Should never happen. */
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grub_printf ("/chosen/bootpath property missing!\n");
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return;
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}
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+ bootpath = (char *) grub_malloc ((grub_size_t) bootpath_size + 64);
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+ if (! bootpath)
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+ {
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+ grub_print_error ();
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+ return;
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+ }
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+ grub_ieee1275_get_property (grub_ieee1275_chosen, "bootpath", bootpath,
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+ (grub_size_t) bootpath_size + 1, 0);
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+ bootpath[bootpath_size] = '\0';
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+
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/* Transform an OF device path to a GRUB path. */
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type = grub_ieee1275_get_device_type (bootpath);
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@@ -132,6 +144,7 @@ grub_machine_get_bootlocation (char **device, char **path)
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*path = filename;
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}
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}
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+ grub_free (bootpath);
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}
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/* Claim some available memory in the first /memory node. */
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--
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1.8.2.1
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