简单赋值防止数据被优化

2023-01-06 02:10:14 +00:00 · 2023-01-06 02:10:14 +00:00 · 1730874cd8
commit 1730874cd8
parent a15a5b19a4
1 changed files with 1 additions and 0 deletions
--- a/components/libc/posix/ipc/mqueue.c
+++ b/components/libc/posix/ipc/mqueue.c
@ -127,6 +127,7 @@ mqd_t mq_open(const char *name, int oflag, ...)
        mode = (mode_t)va_arg(arg, unsigned int);
        mode = mode;
        attr = (struct mq_attr *)va_arg(arg, struct mq_attr *);
+        attr = attr;
        va_end(arg);

        if (oflag & O_EXCL)