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raid: check more cautious on region size changes

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Add additional checks to avoid calling _region_size_change_requested()
with bogus actual arguments.
This commit is contained in:
Heinz Mauelshagen 2017-03-13 17:46:56 +01:00
parent 77a7ed065f
commit 5f2c942000
1 changed files with 1 additions and 1 deletions
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2
lib/metadata/raid_manip.c
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@ -5810,7 +5810,7 @@ static int _region_size_change_requested(struct logical_volume *lv, int yes, con
return_0;
/* CLI validation provides the check but be caucious... */
if (seg_is_any_raid0(seg))
if (!lv_is_raid(lv) || !seg || seg_is_any_raid0(seg))
return_0;
if (region_size == seg->region_size) {