fixed a spelling error and use RT_NULL instead of NULL in DFS
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2215 bbd45198-f89e-11dd-88c7-29a3b14d5316
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@ -313,7 +313,7 @@ int dfs_file_flush(struct dfs_fd *fd)
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* this function will seek the offset for specified file descriptor.
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* this function will seek the offset for specified file descriptor.
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*
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*
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* @param fd the file descriptor.
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* @param fd the file descriptor.
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* @param offset the offset to be seeked.
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* @param offset the offset to be sought.
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*
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*
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* @return the current position after seek.
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* @return the current position after seek.
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*/
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*/
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@ -436,7 +436,7 @@ int dfs_statfs(const char *path, struct statfs *buffer)
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struct dfs_filesystem *fs;
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struct dfs_filesystem *fs;
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fs = dfs_filesystem_lookup(path);
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fs = dfs_filesystem_lookup(path);
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if (fs != NULL)
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if (fs != RT_NULL)
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{
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{
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if (fs->ops->statfs != RT_NULL)
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if (fs->ops->statfs != RT_NULL)
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return fs->ops->statfs(fs, buffer);
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return fs->ops->statfs(fs, buffer);
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