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2008-10-29 Guillem Jover <guillem.jover@nokia.com>

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* disk/lvm.c (grub_lvm_scan_device): Fix error recovery by delaying the
        addition of objects until the code is not going to be able to fail.
This commit is contained in:
robertmh 2008-10-29 19:24:11 +00:00
parent b727944702
commit de4fa71c6c
2 changed files with 17 additions and 10 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
2008-10-29 Guillem Jover <guillem.jover@nokia.com>
* disk/lvm.c (grub_lvm_scan_device): Fix error recovery by delaying the
addition of objects until the code is not going to be able to fail.
2008-10-29 Guillem Jover <guillem.jover@nokia.com> 2008-10-29 Guillem Jover <guillem.jover@nokia.com>
* disk/lvm.c (grub_lvm_scan_device): Fix possible NULL value handling * disk/lvm.c (grub_lvm_scan_device): Fix possible NULL value handling

22
disk/lvm.c
View file

@ -356,8 +356,6 @@ grub_lvm_scan_device (const char *name)
vg->lvs = NULL; vg->lvs = NULL;
vg->pvs = NULL; vg->pvs = NULL;
vg->next = vg_list;
vg_list = vg;
p = grub_strstr (p, "physical_volumes {"); p = grub_strstr (p, "physical_volumes {");
if (p) if (p)
@ -395,15 +393,16 @@ grub_lvm_scan_device (const char *name)
pv->start = grub_lvm_getvalue (&p, "pe_start = "); pv->start = grub_lvm_getvalue (&p, "pe_start = ");
if (p == NULL) if (p == NULL)
goto pvs_fail; goto pvs_fail;
pv->disk = NULL;
pv->next = vg->pvs;
vg->pvs = pv;
p = grub_strchr (p, '}'); p = grub_strchr (p, '}');
if (p == NULL) if (p == NULL)
goto pvs_fail; goto pvs_fail;
p++; p++;
pv->disk = NULL;
pv->next = vg->pvs;
vg->pvs = pv;
continue; continue;
pvs_fail: pvs_fail:
grub_free (pv->name); grub_free (pv->name);
@ -531,16 +530,16 @@ grub_lvm_scan_device (const char *name)
goto fail4; goto fail4;
} }
lv->number = lv_count++;
lv->vg = vg;
lv->next = vg->lvs;
vg->lvs = lv;
p = grub_strchr (p, '}'); p = grub_strchr (p, '}');
if (p == NULL) if (p == NULL)
goto lvs_fail; goto lvs_fail;
p += 3; p += 3;
lv->number = lv_count++;
lv->vg = vg;
lv->next = vg->lvs;
vg->lvs = lv;
continue; continue;
lvs_fail: lvs_fail:
grub_free (lv->name); grub_free (lv->name);
@ -548,6 +547,9 @@ grub_lvm_scan_device (const char *name)
goto fail4; goto fail4;
} }
} }
vg->next = vg_list;
vg_list = vg;
} }
else else
{ {