2 files changed, 4 insertions, 0 deletions
diff --git a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c
index 65b1b5314..0a78a3653 100644
--- a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c
+++ b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c
@@ -146,6 +146,7 @@ struct sys_timeouts *sys_arch_timeouts(void) {
 
 sys_thread_t sys_thread_new(char *name, void (* thread)(void *arg),
                             void *arg, int stacksize, int prio) {
+  (void)name;
   size_t wsz = THD_WA_SIZE(stacksize);
   void *wsp = chCoreAlloc(wsz);
   if (wsp == NULL)
@@ -161,5 +162,6 @@ sys_prot_t sys_arch_protect(void) {
 
 void sys_arch_unprotect(sys_prot_t pval) {
 
+  (void)pval;
   chSysUnlock();
 }
diff --git a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwipthread.c b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwipthread.c
index c9752cb46..36ca3fd37 100644
--- a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwipthread.c
+++ b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwipthread.c
@@ -108,6 +108,7 @@ static err_t low_level_output(struct netif *netif, struct pbuf *p) {
   struct pbuf *q;
   MACTransmitDescriptor td;
 
+  (void)netif;
   if (macWaitTransmitDescriptor(&ETH1, &td, MS2ST(LWIP_SEND_TIMEOUT)) != RDY_OK)
     return ERR_TIMEOUT;
 
@@ -138,6 +139,7 @@ static struct pbuf *low_level_input(struct netif *netif) {
   struct pbuf *p, *q;
   u16_t len;
 
+  (void)netif;
   if (macWaitReceiveDescriptor(&ETH1, &rd, TIME_IMMEDIATE) == RDY_OK) {
     len = (u16_t)rd.rd_size;