staging: comedi: comedi_buf: clarify comedi_buf_read_alloc()

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Clarify the check to make sure the number of bytes to allocate is
available.

Reword the comment about the need for the smp_rmb().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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H Hartley Sweeten 2013-01-09 13:30:49 -07:00 • committed by Greg Kroah-Hartman

parent 43f9137df4

commit 034cbd1792

1 changed files with 12 additions and 6 deletions

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drivers/staging/comedi/comedi_buf.c

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