From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Thu, 30 Oct 2014 18:10:50 +0000 (-0700)
Subject: staging: comedi: comedi_buf: make comedi_buf_write_samples() add samples that fit
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~70^2~490
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb3a13230b78c3dc580b509e370862c632c90dae;p=pandora-kernel.git

staging: comedi: comedi_buf: make comedi_buf_write_samples() add samples that fit

This function currently fails if the number of samples to add would
overflow the async buffer. Modify it to add the samples that fit so
at least some of the sample data is returned to the user.

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