[rtems commit] bsp/atsam: Fix use after free

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    ba34ed9c24e0abbe0b4594c3119d9732e4d735ea
Changeset: http://git.rtems.org/rtems/commit/?id=ba34ed9c24e0abbe0b4594c3119d9732e4d735ea

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Mon Mar 11 07:12:38 2019 +0100

bsp/atsam: Fix use after free

---

 bsps/arm/atsam/spi/atsam_spi_bus.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/bsps/arm/atsam/spi/atsam_spi_bus.c b/bsps/arm/atsam/spi/atsam_spi_bus.c
index 6819de6..ef754d7 100644
--- a/bsps/arm/atsam/spi/atsam_spi_bus.c
+++ b/bsps/arm/atsam/spi/atsam_spi_bus.c
@@ -447,9 +447,8 @@ static void atsam_spi_destroy(spi_bus *base)
   PMC_DisablePeripheral(bus->spi_id);
 
   rtems_cache_coherent_free(bus->dma_bufs);
-
-  spi_bus_destroy_and_free(&bus->base);
   rtems_binary_semaphore_destroy(&bus->sem);
+  spi_bus_destroy_and_free(&bus->base);
 }
 
 static int atsam_spi_setup(spi_bus *base)