Merge remote-tracking branch 'github/master'

3 files changed, 4 insertions, 4 deletions

diff --git a/src/idle.c b/src/idle.c
index 77b0424892..1108bc3367 100644
--- a/src/idle.c
+++ b/src/idle.c
@@ -55,7 +55,7 @@ static rt_uint8_t rt_thread_stack[_CPUS_NR][IDLE_THREAD_STACK_SIZE];
 #define RT_IDEL_HOOK_LIST_SIZE  4
 #endif
 
-static void (*idle_hook_list[RT_IDEL_HOOK_LIST_SIZE])();
+static void (*idle_hook_list[RT_IDEL_HOOK_LIST_SIZE])(void);
 
 /**
  * @ingroup Hook
diff --git a/src/ipc.c b/src/ipc.c
index e293eee8cd..39cf217baa 100644
--- a/src/ipc.c
+++ b/src/ipc.c
@@ -1960,7 +1960,7 @@ RTM_EXPORT(rt_mq_delete);
  *
  * @return the error code
  */
-rt_err_t rt_mq_send(rt_mq_t mq, void *buffer, rt_size_t size)
+rt_err_t rt_mq_send(rt_mq_t mq, const void *buffer, rt_size_t size)
 {
     register rt_ubase_t temp;
     struct rt_mq_message *msg;
@@ -2050,7 +2050,7 @@ RTM_EXPORT(rt_mq_send);
  *
  * @return the error code
  */
-rt_err_t rt_mq_urgent(rt_mq_t mq, void *buffer, rt_size_t size)
+rt_err_t rt_mq_urgent(rt_mq_t mq, const void *buffer, rt_size_t size)
 {
     register rt_ubase_t temp;
     struct rt_mq_message *msg;
diff --git a/src/irq.c b/src/irq.c
index 78ad586064..311d297bfe 100644
--- a/src/irq.c
+++ b/src/irq.c
@@ -105,7 +105,7 @@ RTM_EXPORT(rt_interrupt_leave);
  *
  * @return the number of nested interrupts.
  */
-rt_uint8_t rt_interrupt_get_nest(void)
+RT_WEAK rt_uint8_t rt_interrupt_get_nest(void)
 {
     rt_uint8_t ret;
     rt_base_t level;