From 79559c5041835ce6835a35265a97e291789ec0b0 Mon Sep 17 00:00:00 2001
From: Paul Selkirk <paul@psgd.org>
Date: Wed, 16 Mar 2016 10:15:47 -0400
Subject: Added serial RPC transport and lots more...

Added RPC function to get server version number.
Substantially reworked GNUMakefile with conditionals.
Renamed rpc_*() and xdr_*() to hal_*() for consistency.
Moved hal_io_fmc.c from stm32 repo.
---
 rpc_hash.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'rpc_hash.c')

diff --git a/rpc_hash.c b/rpc_hash.c
index 1bce86e..3c4c79b 100644
--- a/rpc_hash.c
+++ b/rpc_hash.c
@@ -143,8 +143,9 @@ static inline handle_slot_t *find_handle(const hal_hash_handle_t handle)
   return NULL;
 }
 
-static inline free_handle(handle_slot_t *slot)
+static inline void free_handle(handle_slot_t *slot)
 {
+  if (slot != NULL)
     /* state is a union, so this this works for hash and hmac */
     slot->state.hash = NULL;
 }
-- 
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