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d5698c28b6
release_mem contains two copies of exactly the same code. Refactor these into a new helper, release_tty. The only change in behaviour is that the driver reference count is now decremented after the master tty has been freed instead of before. [penberg@cs.helsinki.fi: fix use-after-free in release_tty.] Cc: Alan Cox <alan@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>