user/netstack: TCP recv

1 files changed, 1 insertions, 1 deletions

diff --git a/src/shared/container/ring.c b/src/shared/container/ring.c
index 21c63a1..9bf8d61 100644
--- a/src/shared/container/ring.c
+++ b/src/shared/container/ring.c
@@ -18,7 +18,7 @@ size_t ring_avail(ring_t *r) {
 	return r->capacity - ring_used(r);
 }
 
-void ring_put(ring_t *r, void *buf, size_t len) {
+void ring_put(ring_t *r, const void *buf, size_t len) {
 	// TODO do something similar to ring_get
 	for (size_t i = 0; i < len; i++)
 		ring_put1b(r, ((uint8_t*)buf)[i]);