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| author | Zdenek Kabelac <zkabelac@redhat.com> | 2014-11-20 16:35:46 +0100 |
|---|---|---|
| committer | Zdenek Kabelac <zkabelac@redhat.com> | 2014-11-20 16:35:46 +0100 |
| commit | 9f2961f259ff990d3a21e8edac5f7caa564b0e2e (patch) | |
| tree | 85f92499a7ab05e808f6d999ff68752a8db71f61 | |
| parent | e55c6999ae62506dd8798451bb95d7a3aa7da765 (diff) | |
| download | lvm2-9f2961f259ff990d3a21e8edac5f7caa564b0e2e.tar.gz | |
cache: check for internal error
Don't try to duplicate NULL on internal error path.
| -rw-r--r-- | lib/metadata/lv.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/metadata/lv.c b/lib/metadata/lv.c index bf2d04e79..fb1cd7823 100644 --- a/lib/metadata/lv.c +++ b/lib/metadata/lv.c @@ -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 |