[PATCH 0/4] sound: use memdup_user()

[Li Zefan]

Remove open-coded memdup_user() in sound/

   text    data     bss     dec     hex filename
5206937  929788 5320496 11457221         aed2c5 vmlinux.o.orig
   text    data     bss     dec     hex filename
5205277  929788 5320496 11455561         aecc49 vmlinux.o

 sound/core/control.c                  |   35 +++++--------
 sound/core/pcm_compat.c               |   11 ++---
 sound/core/pcm_native.c               |   93 ++++++++++++--------------------
 sound/core/seq/seq_compat.c           |    9 ++--
 sound/core/timer.c                    |   11 ++---
 sound/isa/sb/sb16_csp.c               |   19 ++++---
 sound/isa/wavefront/wavefront_fx.c    |   14 ++---
 sound/isa/wavefront/wavefront_synth.c |   11 ++--
 sound/pci/emu10k1/emufx.c             |   41 +++++----------
 sound/usb/usx2y/us122l.c              |   10 +---
 sound/usb/usx2y/usX2Yhwdep.c          |   13 ++---
 11 files changed, 102 insertions(+), 165 deletions(-)
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