net/smc: make smc_lgr_free() static

smc_lgr_free() is just called inside smc_core.c. Make it static.
Just cleanup, no functional change.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/smc/smc_core.c

@@ -149,6 +149,8 @@ static int smc_link_send_delete(struct smc_link *lnk)
 	return -ENOTCONN;
 }
 
+static void smc_lgr_free(struct smc_link_group *lgr);
+
 static void smc_lgr_free_work(struct work_struct *work)
 {
 	struct smc_link_group *lgr = container_of(to_delayed_work(work),
@@ -408,7 +410,7 @@ static void smc_lgr_free_bufs(struct smc_link_group *lgr)
 }
 
 /* remove a link group */
-void smc_lgr_free(struct smc_link_group *lgr)
+static void smc_lgr_free(struct smc_link_group *lgr)
 {
 	smc_lgr_free_bufs(lgr);
 	if (lgr->is_smcd)

net/smc/smc_core.h

@@ -243,7 +243,6 @@ struct smc_sock;
 struct smc_clc_msg_accept_confirm;
 struct smc_clc_msg_local;
 
-void smc_lgr_free(struct smc_link_group *lgr);
 void smc_lgr_forget(struct smc_link_group *lgr);
 void smc_lgr_terminate(struct smc_link_group *lgr);
 void smc_port_terminate(struct smc_ib_device *smcibdev, u8 ibport);