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-rw-r--r--components/finsh/cmd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/components/finsh/cmd.c b/components/finsh/cmd.c
index 608e962f6c..570f525bca 100644
--- a/components/finsh/cmd.c
+++ b/components/finsh/cmd.c
@@ -847,7 +847,7 @@ long list_device(void)
device->parent.name,
(device->type <= RT_Device_Class_Unknown) ?
device_type_str[device->type] :
- device_type_str[RT_Device_Class_Unknown],
+ device_type_str[RT_Device_Class_Unknown - 1],
device->ref_count);
}