[PATCH 4.18 030/135] tun: remove unused parameters

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4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Eric Dumazet <edumazet@xxxxxxxxxx>

[ Upstream commit 06e55addd3f40b5294e448c2cb7605ca4f28c2e3 ]

tun_napi_disable() and tun_napi_del() do not need
a pointer to the tun_struct

Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/tun.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -323,13 +323,13 @@ static void tun_napi_init(struct tun_str
 	}
 }
 
-static void tun_napi_disable(struct tun_struct *tun, struct tun_file *tfile)
+static void tun_napi_disable(struct tun_file *tfile)
 {
 	if (tfile->napi_enabled)
 		napi_disable(&tfile->napi);
 }
 
-static void tun_napi_del(struct tun_struct *tun, struct tun_file *tfile)
+static void tun_napi_del(struct tun_file *tfile)
 {
 	if (tfile->napi_enabled)
 		netif_napi_del(&tfile->napi);
@@ -688,8 +688,8 @@ static void __tun_detach(struct tun_file
 	tun = rtnl_dereference(tfile->tun);
 
 	if (tun && clean) {
-		tun_napi_disable(tun, tfile);
-		tun_napi_del(tun, tfile);
+		tun_napi_disable(tfile);
+		tun_napi_del(tfile);
 	}
 
 	if (tun && !tfile->detached) {
@@ -756,7 +756,7 @@ static void tun_detach_all(struct net_de
 	for (i = 0; i < n; i++) {
 		tfile = rtnl_dereference(tun->tfiles[i]);
 		BUG_ON(!tfile);
-		tun_napi_disable(tun, tfile);
+		tun_napi_disable(tfile);
 		tfile->socket.sk->sk_shutdown = RCV_SHUTDOWN;
 		tfile->socket.sk->sk_data_ready(tfile->socket.sk);
 		RCU_INIT_POINTER(tfile->tun, NULL);
@@ -772,7 +772,7 @@ static void tun_detach_all(struct net_de
 	synchronize_net();
 	for (i = 0; i < n; i++) {
 		tfile = rtnl_dereference(tun->tfiles[i]);
-		tun_napi_del(tun, tfile);
+		tun_napi_del(tfile);
 		/* Drop read queue */
 		tun_queue_purge(tfile);
 		xdp_rxq_info_unreg(&tfile->xdp_rxq);





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