xiaoxiang781216 commented on a change in pull request #4720:
URL: https://github.com/apache/incubator-nuttx/pull/4720#discussion_r735234968



##########
File path: fs/mqueue/mq_open.c
##########
@@ -165,7 +165,7 @@ static int file_mq_vopen(FAR struct file *mq, FAR const 
char *mq_name,
   FAR struct mqueue_inode_s *msgq;
   FAR struct mq_attr *attr = NULL;
   struct inode_search_s desc;
-  char fullpath[MAX_MQUEUE_PATH];

Review comment:
       But, that change doesn't increase the stack usage with the default 
config?
   ```
   #define MAX_MQUEUE_PATH (sizeof(CONFIG_FS_MQUEUE_MPATH) + NAME_MAX)
   #define CONFIG_FS_MQUEUE_MPATH "/var/mqueue"
   #define CONFIG_NAME_MAX 32
   ```
   MAX_MQUEUE_PATH equals 44(12 + 32).




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