cxl/mailbox: make range overlap check more readable

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>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240722040742.11513-5-yaoxt.fnst@fujitsu.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
index 74eeb6fde73960627b7e3a346d3736e1859f32ea..507690c0dd16e44179ee930fb3f8f2f2c9774beb 100644 (file)
--- a/hw/cxl/cxl-mailbox-utils.c
+++ b/hw/cxl/cxl-mailbox-utils.c
@@ -1086,8 +1086,8 @@ static CXLRetCode cmd_media_get_poison_list(const struct cxl_cmd *cmd,
 
     QLIST_FOREACH(ent, poison_list, node) {
         /* Check for no overlap */
-        if (ent->start >= query_start + query_length ||
-            ent->start + ent->length <= query_start) {
+        if (!ranges_overlap(ent->start, ent->length,
+                            query_start, query_length)) {
             continue;
         }
         record_count++;
@@ -1100,8 +1100,8 @@ static CXLRetCode cmd_media_get_poison_list(const struct cxl_cmd *cmd,
         uint64_t start, stop;
 
         /* Check for no overlap */
-        if (ent->start >= query_start + query_length ||
-            ent->start + ent->length <= query_start) {
+        if (!ranges_overlap(ent->start, ent->length,
+                            query_start, query_length)) {
             continue;
         }