[PATCH 09/13] system/memory_mapping: make range overlap check more readable

[Yao Xingtao]

use ranges_overlap() instead of open-coding the overlap check to improve
the readability of the code.

Signed-off-by: Yao Xingtao <yaoxt.fnst@fujitsu.com>
---
 system/memory_mapping.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/system/memory_mapping.c b/system/memory_mapping.c
index 6f884c5b90c9..ca2390eb8044 100644
--- a/system/memory_mapping.c
+++ b/system/memory_mapping.c
@@ -12,6 +12,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/range.h"
 #include "qapi/error.h"
 
 #include "sysemu/memory_mapping.h"
@@ -353,8 +354,7 @@ void memory_mapping_filter(MemoryMappingList *list, int64_t 
begin,
     MemoryMapping *cur, *next;
 
     QTAILQ_FOREACH_SAFE(cur, &list->head, next, next) {
-        if (cur->phys_addr >= begin + length ||
-            cur->phys_addr + cur->length <= begin) {
+        if (!ranges_overlap(cur->phys_addr, cur->length, begin, length)) {
             QTAILQ_REMOVE(&list->head, cur, next);
             g_free(cur);
             list->num--;
-- 
2.41.0