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mdbx: fix segfault on close when open failed.

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This commit is contained in:
Leo Yuriev 2015-10-31 13:56:12 +03:00
parent 0f82e6e5fd
commit c6e010a872
1 changed files with 2 additions and 1 deletions
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3
mdb.c
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@ -4899,6 +4899,7 @@ mdb_env_close0(MDB_env *env)
mdb_coherent_barrier();
mdb_ensure(env, pthread_mutex_unlock(&mdb_rthc_lock) == 0);
munmap((void *)env->me_txns, (env->me_maxreaders-1)*sizeof(MDB_reader)+sizeof(MDB_txninfo));
env->me_txns = NULL;
if (env->me_lfd != INVALID_HANDLE_VALUE) {
(void) close(env->me_lfd);
@ -4921,7 +4922,7 @@ mdbx_env_close_ex(MDB_env *env, int dont_sync)
if (unlikely(env->me_signature != MDBX_ME_SIGNATURE))
return MDB_VERSION_MISMATCH;
if (! dont_sync)
if (! dont_sync && env->me_txns)
rc = mdb_env_sync(env, 1);
VALGRIND_DESTROY_MEMPOOL(env);