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V4L/DVB (8232): gspca: Change the USERPTR mechanism.
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main:     Change the packet copy mechanism for userptr.
          Cannot do reqbufs ioctl when already done and count != 0.
          Accept count < frame size in read().

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Jean-Francois Moine authored and Mauro Carvalho Chehab committed Jul 20, 2008
1 parent c41492c commit ac0d6df
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