FHSS timer: Calculation in critical state

Jarkko Paso · Jarkko Paso · commit ea0f4863a22c · 2018-10-18T16:37:37.000+03:00
diff --git a/features/nanostack/nanostack-hal-mbed-cmsis-rtos/arm_hal_fhss_timer.cpp b/features/nanostack/nanostack-hal-mbed-cmsis-rtos/arm_hal_fhss_timer.cpp
@@ -138,8 +138,9 @@ static uint32_t platform_fhss_get_remaining_slots(void (*callback)(const fhss_ap
         platform_exit_critical();
         return 0;
     }
+    uint32_t remaining_slots = fhss_tim->stop_time - read_current_time();
     platform_exit_critical();
-    return fhss_tim->stop_time - read_current_time();
+    return remaining_slots;
 }
 
 static uint32_t platform_fhss_timestamp_read(const fhss_api_t *api)

Original file line number	Diff line number	Diff line change
`@@ -138,8 +138,9 @@ static uint32_t platform_fhss_get_remaining_slots(void (*callback)(const fhss_ap`
`138`	`138`	`platform_exit_critical();`
`139`	`139`	`return 0;`
`140`	`140`	`}`
	`141`	`+ uint32_t remaining_slots = fhss_tim->stop_time - read_current_time();`
`141`	`142`	`platform_exit_critical();`
`142`		`- return fhss_tim->stop_time - read_current_time();`
	`143`	`+ return remaining_slots;`
`143`	`144`	`}`
`144`	`145`
`145`	`146`	`static uint32_t platform_fhss_timestamp_read(const fhss_api_t *api)`