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Fix first_seg() call for empty segment list.

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The seg variable is temporary variable for list iterator,
code cannot expect that after iteration it remains NULL
(it contains non-NULL pointer here id list is empty).

Patch fixes first_seg function so it now correctly returns NULL
for empty segment list.
This commit is contained in:
Milan Broz 2009-05-12 19:09:21 +00:00
parent 1cbdc00ecc
commit 920e68d603
2 changed files with 4 additions and 3 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.46 -
================================
Fix first_seg() call for empty segment list.
Add make install_lvm2 as complement to device-mapper install.
Reject missing PVs from allocation in toollib.
Fix PV datalignment for values starting prior to MDA area. (2.02.45)

6
lib/metadata/metadata.c
View File

@ -1108,12 +1108,12 @@ struct lv_segment *find_seg_by_le(const struct logical_volume *lv, uint32_t le)
struct lv_segment *first_seg(const struct logical_volume *lv)
{
struct lv_segment *seg = NULL;
struct lv_segment *seg;
dm_list_iterate_items(seg, &lv->segments)
break;
return seg;
return seg;
return NULL;
}
/* Find segment at a given physical extent in a PV */