[errno code]fix that use RT_ENOMEM without -

3 files changed, 5 insertions, 5 deletions

diff --git a/components/drivers/ipc/dataqueue.c b/components/drivers/ipc/dataqueue.c
index 03e685a6bf..2222539cdf 100644
--- a/components/drivers/ipc/dataqueue.c
+++ b/components/drivers/ipc/dataqueue.c
@@ -36,7 +36,7 @@ struct rt_data_item
  * @param    evt_notify is the notification callback function.
  *
  * @return   Return the operation status. When the return value is RT_EOK, the initialization is successful.
- *           When the return value is RT_ENOMEM, it means insufficient memory allocation failed.
+ *           When the return value is -RT_ENOMEM, it means insufficient memory allocation failed.
  */
 rt_err_t
 rt_data_queue_init(struct rt_data_queue *queue,
diff --git a/components/drivers/usb/usbhost/core/usbhost_core.c b/components/drivers/usb/usbhost/core/usbhost_core.c
index 6f570cc784..cef1600433 100644
--- a/components/drivers/usb/usbhost/core/usbhost_core.c
+++ b/components/drivers/usb/usbhost/core/usbhost_core.c
@@ -164,7 +164,7 @@ rt_err_t rt_usbh_attatch_instance(uinst_t device)
     device->cfg_desc = (ucfg_desc_t)rt_malloc(cfg_desc.wTotalLength);
     if(device->cfg_desc == RT_NULL)
     {
-        return RT_ENOMEM;
+        return -RT_ENOMEM;
     }
     rt_memset(device->cfg_desc, 0, cfg_desc.wTotalLength);
 
@@ -225,7 +225,7 @@ rt_err_t rt_usbh_attatch_instance(uinst_t device)
             device->intf[i] = (struct uhintf*)rt_malloc(sizeof(struct uhintf));
             if(device->intf[i] == RT_NULL)
             {
-                return RT_ENOMEM;
+                return -RT_ENOMEM;
             }
             device->intf[i]->drv = drv;
             device->intf[i]->device = device;
diff --git a/components/utilities/ymodem/ry_sy.c b/components/utilities/ymodem/ry_sy.c
index c6117a53ef..557d4bcdab 100644
--- a/components/utilities/ymodem/ry_sy.c
+++ b/components/utilities/ymodem/ry_sy.c
@@ -199,7 +199,7 @@ static rt_err_t rym_download_file(rt_device_t idev,const char *file_path)
     if (!ctx)
     {
         rt_kprintf("rt_malloc failed\n");
-        return RT_ENOMEM;
+        return -RT_ENOMEM;
     }
     ctx->fd = -1;
     rt_strncpy(ctx->fpath, file_path, DFS_PATH_MAX);
@@ -219,7 +219,7 @@ static rt_err_t rym_upload_file(rt_device_t idev, const char *file_path)
     if (!ctx)
     {
         rt_kprintf("rt_malloc failed\n");
-        return RT_ENOMEM;
+        return -RT_ENOMEM;
     }
     ctx->fd = -1;
     rt_strncpy(ctx->fpath, file_path, DFS_PATH_MAX);