Commit 215040e1 authored Jan 10, 2013 by H Hartley Sweeten Committed by Greg Kroah-Hartman Jan 17, 2013

staging: comedi: comedi_buf: remove noise in comedi_buf_read_free()



If an attempt is made to free more bytes than have been allocated
a dev_info message is output and the number of bytes to free is
adjusted to the allocated size.

Telling the user this happened is just noise. Remove the message.

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

parent 6166ce87

drivers/staging/comedi/comedi_buf.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -324,11 +324,9 @@ unsigned int comedi_buf_read_free(struct comedi_async *async,
		smp_mb();

		allocated = comedi_buf_read_n_allocated(async);
		if (nbytes > allocated) {
		dev_info(async->subdevice->device->class_dev,
		"attempted to read-free more bytes than have been read-allocated.\n");
		if (nbytes > allocated)
		nbytes = allocated;
		}

		async->buf_read_count += nbytes;
		async->buf_read_ptr += nbytes;
		async->buf_read_ptr %= async->prealloc_bufsz;