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Add default error path for get_property

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Set invalid property value for error path when NULL handler is passed.
Fixes use of uninitialized prop structure as we return 'v' by value.
---
This commit is contained in:
Zdenek Kabelac 2011-01-10 13:07:58 +00:00
parent 4114ac5d22
commit 019423f769
2 changed files with 12 additions and 15 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.80 -
====================================
Detect NULL handle in get_property().
Fix superfluous /usr in ocf_scriptdir instalation path.
Add --with-ocfdir configurable option.
Add aclocal.m4 (for pkgconfig).

26
liblvm/lvm_misc.c
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@ -52,33 +52,29 @@ struct lvm_property_value get_property(const pv_t pv, const vg_t vg,
struct lvm_property_type prop;
struct lvm_property_value v;
memset(&v, 0, sizeof(v));
prop.id = name;
if (pv) {
if (!pv_get_property(pv, &prop)) {
v.is_valid = 0;
if (!pv_get_property(pv, &prop))
return v;
}
} else if (vg) {
if (!vg_get_property(vg, &prop)) {
v.is_valid = 0;
if (!vg_get_property(vg, &prop))
return v;
}
} else if (lv) {
if (!lv_get_property(lv, &prop)) {
v.is_valid = 0;
if (!lv_get_property(lv, &prop))
return v;
}
} else if (lvseg) {
if (!lvseg_get_property(lvseg, &prop)) {
v.is_valid = 0;
if (!lvseg_get_property(lvseg, &prop))
return v;
}
} else if (pvseg) {
if (!pvseg_get_property(pvseg, &prop)) {
v.is_valid = 0;
if (!pvseg_get_property(pvseg, &prop))
return v;
}
} else {
log_errno(EINVAL, "Invalid NULL handle passed to library function.");
return v;
}
v.is_settable = prop.is_settable;
v.is_string = prop.is_string;
v.is_integer = prop.is_integer;