Fix resource leak when using mutex and ssl_cookie
When using ssl_cookie with MBEDTLS_THREADING_C, fix a resource leak caused by
initiating a mutex in mbedtls_ssl_cookie_free instead of freeing it.
Raised and fix suggested by lan Gillingham in the mbed TLS forum
Tracked in #771
diff --git a/library/ssl_cookie.c b/library/ssl_cookie.c
index 9fb32de..caf1199 100644
--- a/library/ssl_cookie.c
+++ b/library/ssl_cookie.c
@@ -98,7 +98,7 @@
mbedtls_md_free( &ctx->hmac_ctx );
#if defined(MBEDTLS_THREADING_C)
- mbedtls_mutex_init( &ctx->mutex );
+ mbedtls_mutex_free( &ctx->mutex );
#endif
mbedtls_zeroize( ctx, sizeof( mbedtls_ssl_cookie_ctx ) );