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cache: check for internal error

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Don't try to duplicate NULL on internal error path.
This commit is contained in:
Zdenek Kabelac 2014-11-20 16:35:46 +01:00
parent e55c6999ae
commit 9f2961f259
1 changed files with 6 additions and 1 deletions
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7
lib/metadata/lv.c
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@ -130,7 +130,12 @@ char *lvseg_discards_dup(struct dm_pool *mem, const struct lv_segment *seg)
char *lvseg_cachemode_dup(struct dm_pool *mem, const struct lv_segment *seg)
{
return dm_pool_strdup(mem, get_cache_pool_cachemode_name(seg));
const char *name = get_cache_pool_cachemode_name(seg);
if (!name)
return_NULL;
return dm_pool_strdup(mem, name);
}
#ifdef DMEVENTD