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Make crypto_free_pk_env tolerate NULL arg in 0.2.1. Error-proofing against bug 988 backport

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Nick Mathewson
2010-11-12 20:21:50 -05:00
committed by Sebastian Hahn
parent 9976df9e56
commit 299a78c5fe
1 changed files with 2 additions and 1 deletions
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src/common/crypto.c
+2 -1
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@@ -321,7 +321,8 @@ crypto_new_pk_env(void)
void
crypto_free_pk_env(crypto_pk_env_t *env)
{
tor_assert(env);
if (!env)
return;
if (--env->refs > 0)
return;