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Fix to allow proper calling with counts for wolfCrypt_Init and wolfCrypt_Cleanup. Old code was not tracking case such as wolfCrypt_Init -> wolfCrypt_Init -> wolfCrypt_Cleanup and was causing cleanup to be performed, when it shouldn't.

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This commit is contained in:
David Garske
2019-08-01 12:36:08 -07:00
parent c400c38588
commit 3cf30f1e96
1 changed files with 6 additions and 4 deletions
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10
wolfcrypt/src/wc_port.c
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@ -206,9 +206,8 @@ int wolfCrypt_Init(void)
return ret; return ret;
} }
#endif #endif
initRefCount = 1;
} }
initRefCount++;
return ret; return ret;
} }
@ -219,7 +218,11 @@ int wolfCrypt_Cleanup(void)
{ {
int ret = 0; int ret = 0;
if (initRefCount == 1) { initRefCount--;
if (initRefCount < 0)
initRefCount = 0;
if (initRefCount == 0) {
WOLFSSL_ENTER("wolfCrypt_Cleanup"); WOLFSSL_ENTER("wolfCrypt_Cleanup");
#ifdef HAVE_ECC #ifdef HAVE_ECC
@ -250,7 +253,6 @@ int wolfCrypt_Cleanup(void)
#if defined(WOLFSSL_CRYPTOCELL) #if defined(WOLFSSL_CRYPTOCELL)
cc310_Free(); cc310_Free();
#endif #endif
initRefCount = 0; /* allow re-init */
} }
return ret; return ret;