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

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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>
This commit is contained in:
H Hartley Sweeten 2013-01-10 10:38:20 -07:00 committed by Greg Kroah-Hartman
parent 6166ce8787
commit 215040e123
1 changed files with 2 additions and 4 deletions
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6
drivers/staging/comedi/comedi_buf.c
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@ -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;