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
If ramfs mount fails, s_fs_info will be freed twice in ramfs_fill_super() and ramfs_kill_sb(), leading to kernel oops. Consolidate and beautify the code. Make sure s_fs_info and s_root are in known good states. Acked-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>