dfs: fix the variable definition bug in copy, found by ffgamelife from rt-thread.org

15b08b48 · prife · 7c45dc02 · 15b08b48
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components/dfs/src/dfs_file.c components/dfs/src/dfs_file.c +1 -1

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--- a/components/dfs/src/dfs_file.c
+++ b/components/dfs/src/dfs_file.c
@@ -599,7 +599,7 @@ void copy(const char *src, const char *dst)
 {
    struct dfs_fd src_fd;
    rt_uint8_t *block_ptr;
-    rt_uint32_t read_bytes;
+    rt_int32_t read_bytes;
    block_ptr = rt_malloc(BUF_SZ);
    if (block_ptr == RT_NULL)