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 <[email protected]> Cc: Ian Abbott <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> --- 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 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
