lib: shm_ap_rbuff: sleep when read on empty rbuff

When the ring buffer is empty, a read call will sleep. A write call on
an empty ring buffer will wake up sleeping readers.

1 files changed, 0 insertions, 1 deletions

diff --git a/src/ipcpd/shim-udp/main.c b/src/ipcpd/shim-udp/main.c
index c6c16ebf..33b4be2f 100644
--- a/src/ipcpd/shim-udp/main.c
+++ b/src/ipcpd/shim-udp/main.c
@@ -783,7 +783,6 @@ static void * ipcp_udp_sdu_loop(void * o)
                 }
 
                 e = shm_ap_rbuff_read(_ap_instance->rb);
-
                 if (e == NULL) {
                         rw_lock_unlock(&_ipcp->state_lock);
                         continue;