[1/6] batctl: Consume genl ACKs after setting reads
Commit Message
The kernel is sending an ACK after an successful read request via the
batadv genl socket. This ack must be consumed manually after the actual
message was processed. Otherwise, the next user of the socket can get
confused by the unexpected ACK in the socket queue.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
---
sys.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
@@ -107,7 +107,13 @@ int sys_simple_nlquery(struct state *state, enum batadv_nl_commands nl_cmd,
nl_send_auto_complete(state->sock, msg);
nlmsg_free(msg);
- nl_recvmsgs(state->sock, state->cb);
+ if (callback) {
+ ret = nl_recvmsgs(state->sock, state->cb);
+ if (ret < 0)
+ return ret;
+ }
+
+ nl_wait_for_ack(state->sock);
return result;
}