caif: Add reference counting to service layer

Changes:
o Added functions cfsrvl_get and cfsrvl_put.
o Added support release_client to use by socket and net device.
o Increase reference counting for in-flight packets from cfmuxl

Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/net/caif/cfcnfg.c b/net/caif/cfcnfg.c
index d52f2566916e..f94f3dfe85c1 100644
--- a/net/caif/cfcnfg.c
+++ b/net/caif/cfcnfg.c
@@ -247,6 +247,13 @@ end:
 }
 EXPORT_SYMBOL(cfcnfg_disconn_adapt_layer);
 
+void cfcnfg_release_adap_layer(struct cflayer *adap_layer)
+{
+        if (adap_layer->dn)
+                cfsrvl_put(adap_layer->dn);
+}
+EXPORT_SYMBOL(cfcnfg_release_adap_layer);
+
 static void cfcnfg_linkdestroy_rsp(struct cflayer *layer, u8 channel_id,
                                   struct cflayer *client_layer)
 {