fs/mqueue/mq_open.c: Add the judgment for mq_attr is NULL.

Signed-off-by: yangjiao <yangjiao@xiaomi.com>
2023-06-13 22:02:47 +08:00 · 2023-06-13 22:02:47 +08:00 · a543950951
parent bef756c004
commit a543950951
1 changed files with 6 additions and 3 deletions
--- a/fs/mqueue/mq_open.c
+++ b/fs/mqueue/mq_open.c
@ -191,12 +191,15 @@ static int file_mq_vopen(FAR struct file *mq, FAR const char *mq_name,

      mode = va_arg(ap, mode_t);
      attr = va_arg(ap, FAR struct mq_attr *);
+      if (attr != NULL)
+        {
          if (attr->mq_maxmsg <= 0 || attr->mq_msgsize <= 0)
            {
              ret = -EINVAL;
              goto errout;
            }
        }
+    }

  mode &= ~umask;