[DFS] Add fd checking in dfs_file_close API.
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@ -136,6 +136,9 @@ int dfs_file_close(struct dfs_fd *fd)
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{
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int result = 0;
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if (fd == RT_NULL)
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return -DFS_STATUS_ENXIO;
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if (fd != RT_NULL && fd->fs->ops->close != RT_NULL)
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result = fd->fs->ops->close(fd);
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@ -568,6 +571,7 @@ void rm(const char *filename)
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}
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}
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FINSH_FUNCTION_EXPORT(rm, remove files or directories);
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void cat(const char* filename)
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{
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rt_uint32_t length;
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