Fix: Add Parenthesis around if-statement in macro (#138)

Co-authored-by: Alfred Gedeon <gedeonag@amazon.com>
5 years ago · 45e97bd246
parent 1d8df4752e
commit 45e97bd246
1 changed files with 6 additions and 1 deletions
--- a/portable/GCC/ARM_CM4F/portmacro.h
+++ b/portable/GCC/ARM_CM4F/portmacro.h
@ -90,7 +90,12 @@

    #define portNVIC_INT_CTRL_REG     ( *( ( volatile uint32_t * ) 0xe000ed04 ) )
    #define portNVIC_PENDSVSET_BIT    ( 1UL << 28UL )
-    #define portEND_SWITCHING_ISR( xSwitchRequired )    if( xSwitchRequired != pdFALSE ) portYIELD()
+
+    #define portEND_SWITCHING_ISR( xSwitchRequired )        \
+        do {                                                \
+            if( (xSwitchRequired) != pdFALSE ) portYIELD(); \
+        } while (0)
+
    #define portYIELD_FROM_ISR( x )                     portEND_SWITCHING_ISR( x )
 /*-----------------------------------------------------------*/