socket-util: add one missing paren

Follow-up for b6256af75e.
2023-04-14 13:49:35 +09:00
parent 924937cbc0
commit 4db752e4aa
1 changed files with 1 additions and 1 deletions
@@ -183,7 +183,7 @@ int flush_accept(int fd);
 * riscv32. */
 #define CMSG_TYPED_DATA(cmsg, type)                                     \
        ({                                                              \
-                struct cmsghdr *_cmsg = cmsg;                           \
+                struct cmsghdr *_cmsg = (cmsg);                         \
                assert_cc(__alignof__(type) <= __alignof__(struct cmsghdr)); \
                _cmsg ? CAST_ALIGN_PTR(type, CMSG_DATA(_cmsg)) : (type*) NULL; \
        })