[PATCH v4 2/3] handshake: unref erp_cache when handshake is freed

[James Prestwood <prestwoj@gmail.com>]

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This makes the erp_cache ownership more consisten rather than
relying on the ERP state to free the cache.
---
 src/handshake.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/handshake.c b/src/handshake.c
index 2bce6b8c..5f6b25f4 100644
--- a/src/handshake.c
+++ b/src/handshake.c
@@ -41,6 +41,7 @@
 #include "src/ie.h"
 #include "src/util.h"
 #include "src/handshake.h"
+#include "src/erp.h"
 
 static inline unsigned int n_ecc_groups()
 {
@@ -106,6 +107,9 @@ void handshake_state_free(struct handshake_state *s)
 	l_free(s->mde);
 	l_free(s->fte);
 
+	if (s->erp_cache)
+		erp_cache_put(s->erp_cache);
+
 	if (s->passphrase) {
 		explicit_bzero(s->passphrase, strlen(s->passphrase));
 		l_free(s->passphrase);
-- 
2.31.1