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dm cache: avoid calling policy destructor twice on error 

If the cache policy's config values are not able to be set we must
set the policy to NULL after destroying it in create_cache_policy()
so we don't attempt to destroy it a second time later.

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
hifive-unleashed-5.1
Heinz Mauelshagen 2013-03-20 17:21:26 +00:00 committed by Alasdair G Kergon
parent 617a0b89da
commit b978440b8d
1 changed files with 4 additions and 1 deletions
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5
drivers/md/dm-cache-target.c
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@ -1763,8 +1763,11 @@ static int create_cache_policy(struct cache *cache, struct cache_args *ca,
}
r = set_config_values(cache->policy, ca->policy_argc, ca->policy_argv);
if (r)
if (r) {
*error = "Error setting cache policy's config values";
dm_cache_policy_destroy(cache->policy);
cache->policy = NULL;
}
return r;
}