staging: comedi: comedi_buf: cleanup comedi_buf_read_n_available()

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For aesthetic reasons, cleanup this function a bit.

Change the (async == NULL) test to simply (!async).

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 13:30:22 -07:00 • committed by Greg Kroah-Hartman

parent d21af4cbfb

commit 43f9137df4

1 changed files with 7 additions and 4 deletions

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drivers/staging/comedi/comedi_buf.c

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