ring: Move common ring block_r/frame_nr shrinking to generic function

Merge shrinking code duplicated for RX/TX rings into an own generic
function.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 1 insertions, 4 deletions

diff --git a/ring_tx.c b/ring_tx.c
index aee1307..b8ce446 100644
--- a/ring_tx.c
+++ b/ring_tx.c
@@ -64,10 +64,7 @@ retry:
 			 sizeof(ring->layout));
 
 	if (errno == ENOMEM && ring->layout.tp_block_nr > 1) {
-		ring->layout.tp_block_nr >>= 1;
-		ring->layout.tp_frame_nr = ring->layout.tp_block_size / 
-					   ring->layout.tp_frame_size * 
-					   ring->layout.tp_block_nr;
+		shrink_ring_layout_generic(ring);
 		goto retry;
 	}