In macro __rb_parent(), add parentheses around the macro parameter to prevent against unintended expansions.
Signed-off-by: Xenia Ragiadakou <burzalod...@gmail.com> --- xen/lib/rbtree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/lib/rbtree.c b/xen/lib/rbtree.c index 85a4f20313..eb418baabb 100644 --- a/xen/lib/rbtree.c +++ b/xen/lib/rbtree.c @@ -46,7 +46,7 @@ #define RB_RED 0 #define RB_BLACK 1 -#define __rb_parent(pc) ((struct rb_node *)(pc & ~3)) +#define __rb_parent(pc) ((struct rb_node *)((pc) & ~3)) #define __rb_color(pc) ((pc) & 1) #define __rb_is_black(pc) __rb_color(pc) -- 2.34.1
