[PATCH 4/4] staging: comedi: comedi_buf: remove noise in comedi_buf_read_free()

H Hartley Sweeten hsweeten at visionengravers.com
Thu Jan 10 17:38:20 UTC 2013


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 at visionengravers.com>
Cc: Ian Abbott <abbobbi at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
 drivers/staging/comedi/comedi_buf.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/comedi/comedi_buf.c b/drivers/staging/comedi/comedi_buf.c
index 17162d9..9b997ae 100644
--- a/drivers/staging/comedi/comedi_buf.c
+++ b/drivers/staging/comedi/comedi_buf.c
@@ -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;
-- 
1.8.0




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