[rtems commit] bsps/arm: Fix ARMv7-M interrupt suppport

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    ce3ac00cfc9557797b11604158c3f4eb8859dcc6
Changeset: http://git.rtems.org/rtems/commit/?id=ce3ac00cfc9557797b11604158c3f4eb8859dcc6

Author:    Christian Mauderer <Christian.Mauderer at embedded-brains.de>
Date:      Tue Jun  6 15:41:48 2017 +0200

bsps/arm: Fix ARMv7-M interrupt suppport

Enable/disable vector routines now check for a valid vector.  Without
these guards, the enable/disable vector routines will not work with the
interrupt server.

---

 c/src/lib/libbsp/arm/shared/armv7m/irq/armv7m-irq.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/c/src/lib/libbsp/arm/shared/armv7m/irq/armv7m-irq.c b/c/src/lib/libbsp/arm/shared/armv7m/irq/armv7m-irq.c
index 6e80c16..df17c26 100644
--- a/c/src/lib/libbsp/arm/shared/armv7m/irq/armv7m-irq.c
+++ b/c/src/lib/libbsp/arm/shared/armv7m/irq/armv7m-irq.c
@@ -24,14 +24,18 @@
 
 rtems_status_code bsp_interrupt_vector_enable(rtems_vector_number vector)
 {
-  _ARMV7M_NVIC_Set_enable((int) vector);
+  if (bsp_interrupt_is_valid_vector(vector)) {
+    _ARMV7M_NVIC_Set_enable((int) vector);
+  }
 
   return RTEMS_SUCCESSFUL;
 }
 
 rtems_status_code bsp_interrupt_vector_disable(rtems_vector_number vector)
 {
-  _ARMV7M_NVIC_Clear_enable((int) vector);
+  if (bsp_interrupt_is_valid_vector(vector)) {
+    _ARMV7M_NVIC_Clear_enable((int) vector);
+  }
 
   return RTEMS_SUCCESSFUL;
 }