build: Comply with -Wextra compiler flag

This reduces the risk for some bugs, for instance due to
signed/unsigned mismatches and unused variables.

7 files changed, 50 insertions, 4 deletions

diff --git a/src/ipcpd/ipcp.c b/src/ipcpd/ipcp.c
index f9246c7a..eab02f7d 100644
--- a/src/ipcpd/ipcp.c
+++ b/src/ipcpd/ipcp.c
@@ -189,6 +189,8 @@ void * ipcp_main_loop(void * o)
         struct timeval ltv = {(SOCKET_TIMEOUT / 1000),
                              (SOCKET_TIMEOUT % 1000) * 1000};
 
+        (void) o;
+
         sock_path = ipcp_sock_path(getpid());
         if (sock_path == NULL)
                 return (void *) 1;
diff --git a/src/ipcpd/local/main.c b/src/ipcpd/local/main.c
index 68c9ae8c..761577ea 100644
--- a/src/ipcpd/local/main.c
+++ b/src/ipcpd/local/main.c
@@ -80,6 +80,8 @@ static void * ipcp_local_sdu_loop(void * o)
         if (fq == NULL)
                 return (void *) 1;
 
+        (void) o;
+
         while (true) {
                 int fd;
                 int ret;
@@ -121,6 +123,8 @@ static void * ipcp_local_sdu_loop(void * o)
 
 void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
 {
+        (void) c;
+
         switch(sig) {
         case SIGINT:
         case SIGTERM:
@@ -204,6 +208,9 @@ static int ipcp_local_flow_alloc(int           fd,
 {
         int out_fd = -1;
 
+        /* FIXME: support qos */
+        (void) qos;
+
         LOG_DBG("Allocating flow to %s on fd %d.", dst_name, fd);
 
         if (dst_name == NULL || src_ae_name == NULL)
diff --git a/src/ipcpd/normal/fmgr.c b/src/ipcpd/normal/fmgr.c
index 3da392c5..46c72691 100644
--- a/src/ipcpd/normal/fmgr.c
+++ b/src/ipcpd/normal/fmgr.c
@@ -126,6 +126,8 @@ static void * fmgr_nm1_acceptor(void * o)
         int    fd;
         char * ae_name;
 
+        (void) o;
+
         while (true) {
                 ipcp_wait_state(IPCP_ENROLLED, NULL);
 
@@ -190,6 +192,8 @@ static void * fmgr_np1_sdu_reader(void * o)
         if (fq == NULL)
                 return (void *) 1;
 
+        (void) o;
+
         while (true) {
                 int ret = flow_event_wait(fmgr.np1_set, fq, &timeout);
                 if (ret == -ETIMEDOUT)
@@ -240,6 +244,9 @@ void * fmgr_nm1_sdu_reader(void * o)
         fqueue_t * fq = fqueue_create();
         if (fq == NULL)
                 return (void *) 1;
+
+        (void) o;
+
         while (true) {
                 int ret = flow_event_wait(fmgr.nm1_set, fq, &timeout);
                 if (ret == -ETIMEDOUT)
diff --git a/src/ipcpd/normal/main.c b/src/ipcpd/normal/main.c
index 0339eaf4..32aabdf2 100644
--- a/src/ipcpd/normal/main.c
+++ b/src/ipcpd/normal/main.c
@@ -47,6 +47,8 @@ int irmd_api;
 
 void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
 {
+        (void) c;
+
         switch(sig) {
         case SIGINT:
         case SIGTERM:
diff --git a/src/ipcpd/normal/ribmgr.c b/src/ipcpd/normal/ribmgr.c
index c69a59ce..cd12bcc6 100644
--- a/src/ipcpd/normal/ribmgr.c
+++ b/src/ipcpd/normal/ribmgr.c
@@ -167,6 +167,9 @@ int ribmgr_cdap_reply(struct cdap * instance,
 {
         struct list_head * pos, * n = NULL;
 
+        (void) data;
+        (void) len;
+
         pthread_mutex_lock(&rib.cdap_reqs_lock);
 
         list_for_each_safe(pos, n, &rib.cdap_reqs) {
@@ -202,6 +205,9 @@ int ribmgr_cdap_read(struct cdap * instance,
                      char *        name)
 {
         LOG_MISSING;
+        (void) instance;
+        (void) invoke_id;
+        (void) name;
 
         return -1;
 }
@@ -216,6 +222,8 @@ int ribmgr_cdap_write(struct cdap * instance,
         static_info_msg_t * msg;
         int ret = 0;
 
+        (void) flags;
+
         pthread_rwlock_wrlock(&ipcpi.state_lock);
         if (ipcp_get_state() == IPCP_PENDING_ENROLL &&
             strcmp(name, STATIC_INFO) == 0) {
@@ -272,6 +280,11 @@ int ribmgr_cdap_create(struct cdap * instance,
                        size_t        len)
 {
         LOG_MISSING;
+        (void) instance;
+        (void) invoke_id;
+        (void) name;
+        (void) data;
+        (void) len;
 
         return -1;
 }
@@ -283,6 +296,11 @@ int ribmgr_cdap_delete(struct cdap * instance,
                        size_t        len)
 {
         LOG_MISSING;
+        (void) instance;
+        (void) invoke_id;
+        (void) name;
+        (void) data;
+        (void) len;
 
         return -1;
 }
diff --git a/src/ipcpd/shim-eth-llc/main.c b/src/ipcpd/shim-eth-llc/main.c
index db258c8b..dfb6e21c 100644
--- a/src/ipcpd/shim-eth-llc/main.c
+++ b/src/ipcpd/shim-eth-llc/main.c
@@ -415,7 +415,7 @@ static int eth_llc_ipcp_sap_alloc_reply(uint8_t   ssap,
 
 }
 
-static int eth_llc_ipcp_flow_dealloc_req(uint8_t ssap, uint8_t * r_addr)
+static int eth_llc_ipcp_flow_dealloc_req(uint8_t ssap)
 {
         int fd = -1;
 
@@ -462,7 +462,7 @@ static int eth_llc_ipcp_mgmt_frame(uint8_t * buf, size_t len, uint8_t * r_addr)
                                              msg->response);
                 break;
         case SHIM_ETH_LLC_MSG_CODE__FLOW_DEALLOC:
-                eth_llc_ipcp_flow_dealloc_req(msg->ssap, r_addr);
+                eth_llc_ipcp_flow_dealloc_req(msg->ssap);
                 break;
         default:
                 LOG_ERR("Unknown message received %d.", msg->code);
@@ -492,6 +492,8 @@ static void * eth_llc_ipcp_sdu_reader(void * o)
 #endif
         struct eth_llc_frame * llc_frame;
 
+        (void) o;
+
         memset(br_addr, 0xff, MAC_SIZE * sizeof(uint8_t));
 
         while (true) {
@@ -608,6 +610,8 @@ static void * eth_llc_ipcp_sdu_writer(void * o)
         if (fq == NULL)
                 return (void *) 1;
 
+        (void) o;
+
         while (true) {
                 int ret = flow_event_wait(eth_llc_data.np1_flows, fq, &timeout);
                 if (ret == -ETIMEDOUT)
@@ -648,6 +652,8 @@ static void * eth_llc_ipcp_sdu_writer(void * o)
 
 void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
 {
+        (void) c;
+
         switch(sig) {
         case SIGINT:
         case SIGTERM:
@@ -903,7 +909,7 @@ static int eth_llc_ipcp_flow_alloc(int           fd,
         pthread_rwlock_wrlock(&eth_llc_data.flows_lock);
 
         ssap = bmp_allocate(eth_llc_data.saps);
-        if (ssap < 0) {
+        if (!bmp_is_id_valid(eth_llc_data.saps, ssap)) {
                 pthread_rwlock_unlock(&eth_llc_data.flows_lock);
                 pthread_rwlock_unlock(&ipcpi.state_lock);
                 return -1;
@@ -945,7 +951,7 @@ static int eth_llc_ipcp_flow_alloc_resp(int fd, int response)
         pthread_rwlock_wrlock(&eth_llc_data.flows_lock);
 
         ssap = bmp_allocate(eth_llc_data.saps);
-        if (ssap < 0) {
+        if (!bmp_is_id_valid(eth_llc_data.saps, ssap)) {
                 pthread_rwlock_unlock(&eth_llc_data.flows_lock);
                 pthread_rwlock_unlock(&ipcpi.state_lock);
                 return -1;
diff --git a/src/ipcpd/shim-udp/main.c b/src/ipcpd/shim-udp/main.c
index 050623e4..f97a6bc1 100644
--- a/src/ipcpd/shim-udp/main.c
+++ b/src/ipcpd/shim-udp/main.c
@@ -524,6 +524,8 @@ static void * ipcp_udp_sdu_loop(void * o)
         if (fq == NULL)
                 return (void *) 1;
 
+        (void) o;
+
         while (true) {
                 int ret = flow_event_wait(udp_data.np1_flows, fq, &timeout);
                 if (ret == -ETIMEDOUT)
@@ -563,6 +565,8 @@ static void * ipcp_udp_sdu_loop(void * o)
 
 void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
 {
+        (void) c;
+
         switch(sig) {
         case SIGINT:
         case SIGTERM: