Due to the 'while(count < num_bytes)' the computed 'block_size' will
always be a value greater than 0.
Remove the unreachable dev_warn and the (block_size < 0) test.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbobbi@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/comedi_buf.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/drivers/staging/comedi/comedi_buf.c b/drivers/staging/comedi/comedi_buf.c
index 7d516a0..9d11f416 100644
--- a/drivers/staging/comedi/comedi_buf.c
+++ b/drivers/staging/comedi/comedi_buf.c
@@ -215,13 +215,6 @@ static unsigned int comedi_buf_munge(struct comedi_async *async,
int block_size = num_bytes - count;
unsigned int buf_end;
- if (block_size < 0) {
- dev_warn(s->device->class_dev,
- "%s: %s: bug! block_size is negative\n",
- __FILE__, __func__);
- break;
- }
-
buf_end = async->prealloc_bufsz - async->munge_ptr;
if (block_size > buf_end)
block_size = buf_end;
--
1.8.0
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