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libdm: check for zero in _nr_areas() (Coverity)

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This commit is contained in:
Bryn M. Reeves 2015-08-17 18:33:22 +01:00
parent 69fa16048a
commit 074b5de771
1 changed files with 3 additions and 0 deletions
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3
libdm/libdm-stats.c
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@ -504,6 +504,9 @@ out:
static uint64_t _nr_areas(uint64_t len, uint64_t step)
{
/* Default is one area. */
if (!len || !step)
return 1;
/*
* drivers/md/dm-stats.c::message_stats_create()
* A region may be sub-divided into areas with their own counters.