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From: Giuliano Procida <gprocida@google.com>
To: greg@kroah.com
Cc: stable@vger.kernel.org, Guillaume Nault <g.nault@alphalink.fr>,
	"David S . Miller" <davem@davemloft.net>,
	Giuliano Procida <gprocida@google.com>
Subject: [PATCH 14/27] l2tp: define parameters of l2tp_tunnel_find*() as "const"
Date: Fri, 22 May 2020 00:57:27 +0100	[thread overview]
Message-ID: <20200521235740.191338-15-gprocida@google.com> (raw)
In-Reply-To: <20200521235740.191338-1-gprocida@google.com>

From: Guillaume Nault <g.nault@alphalink.fr>

commit 2f858b928bf5a8174911aaec76b8b72a9ca0533d upstream.

l2tp_tunnel_find() and l2tp_tunnel_find_nth() don't modify "net".

Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Giuliano Procida <gprocida@google.com>
---
 net/l2tp/l2tp_core.c | 4 ++--
 net/l2tp/l2tp_core.h | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 4e2859d72167..7e593e399774 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -378,7 +378,7 @@ exist:
 
 /* Lookup a tunnel by id
  */
-struct l2tp_tunnel *l2tp_tunnel_find(struct net *net, u32 tunnel_id)
+struct l2tp_tunnel *l2tp_tunnel_find(const struct net *net, u32 tunnel_id)
 {
 	struct l2tp_tunnel *tunnel;
 	struct l2tp_net *pn = l2tp_pernet(net);
@@ -396,7 +396,7 @@ struct l2tp_tunnel *l2tp_tunnel_find(struct net *net, u32 tunnel_id)
 }
 EXPORT_SYMBOL_GPL(l2tp_tunnel_find);
 
-struct l2tp_tunnel *l2tp_tunnel_find_nth(struct net *net, int nth)
+struct l2tp_tunnel *l2tp_tunnel_find_nth(const struct net *net, int nth)
 {
 	struct l2tp_net *pn = l2tp_pernet(net);
 	struct l2tp_tunnel *tunnel;
diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h
index dab75dc4ea48..8fa4ad103c25 100644
--- a/net/l2tp/l2tp_core.h
+++ b/net/l2tp/l2tp_core.h
@@ -242,8 +242,8 @@ struct l2tp_session *l2tp_session_get_nth(struct l2tp_tunnel *tunnel, int nth,
 struct l2tp_session *l2tp_session_get_by_ifname(const struct net *net,
 						const char *ifname,
 						bool do_ref);
-struct l2tp_tunnel *l2tp_tunnel_find(struct net *net, u32 tunnel_id);
-struct l2tp_tunnel *l2tp_tunnel_find_nth(struct net *net, int nth);
+struct l2tp_tunnel *l2tp_tunnel_find(const struct net *net, u32 tunnel_id);
+struct l2tp_tunnel *l2tp_tunnel_find_nth(const struct net *net, int nth);
 
 int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id,
 		       u32 peer_tunnel_id, struct l2tp_tunnel_cfg *cfg,
-- 
2.27.0.rc0.183.gde8f92d652-goog


  parent reply	other threads:[~2020-05-21 23:58 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-21 23:57 [PATCH 00/27] more l2tp locking and ordering fixes Giuliano Procida
2020-05-21 23:57 ` [PATCH 01/27] l2tp: lock socket before checking flags in connect() Giuliano Procida
2020-05-21 23:57 ` [PATCH 02/27] l2tp: fix racy socket lookup in l2tp_ip and l2tp_ip6 bind() Giuliano Procida
2020-05-21 23:57 ` [PATCH 03/27] l2tp: hold session while sending creation notifications Giuliano Procida
2020-05-21 23:57 ` [PATCH 04/27] l2tp: take a reference on sessions used in genetlink handlers Giuliano Procida
2020-05-21 23:57 ` [PATCH 05/27] l2tp: don't use l2tp_tunnel_find() in l2tp_ip and l2tp_ip6 Giuliano Procida
2020-05-21 23:57 ` [PATCH 06/27] net: l2tp: export debug flags to UAPI Giuliano Procida
2020-05-21 23:57 ` [PATCH 07/27] net: l2tp: deprecate PPPOL2TP_MSG_* in favour of L2TP_MSG_* Giuliano Procida
2020-05-26 16:17   ` Asbjørn Sloth Tønnesen
2020-05-21 23:57 ` [PATCH 08/27] net: l2tp: ppp: change PPPOL2TP_MSG_* => L2TP_MSG_* Giuliano Procida
2020-05-21 23:57 ` [PATCH 09/27] New kernel function to get IP overhead on a socket Giuliano Procida
2020-05-21 23:57 ` [PATCH 10/27] L2TP:Adjust intf MTU, add underlay L3, L2 hdrs Giuliano Procida
2020-05-21 23:57 ` [PATCH 11/27] l2tp: remove useless duplicate session detection in l2tp_netlink Giuliano Procida
2020-05-21 23:57 ` [PATCH 12/27] l2tp: remove l2tp_session_find() Giuliano Procida
2020-05-21 23:57 ` [PATCH 13/27] l2tp: define parameters of l2tp_session_get*() as "const" Giuliano Procida
2020-05-21 23:57 ` Giuliano Procida [this message]
2020-05-21 23:57 ` [PATCH 15/27] l2tp: initialise session's refcount before making it reachable Giuliano Procida
2020-05-21 23:57 ` [PATCH 16/27] l2tp: hold tunnel while looking up sessions in l2tp_netlink Giuliano Procida
2020-05-21 23:57 ` [PATCH 17/27] l2tp: hold tunnel while processing genl delete command Giuliano Procida
2020-05-21 23:57 ` [PATCH 18/27] l2tp: hold tunnel while handling genl tunnel updates Giuliano Procida
2020-05-21 23:57 ` [PATCH 19/27] l2tp: hold tunnel while handling genl TUNNEL_GET commands Giuliano Procida
2020-05-21 23:57 ` [PATCH 20/27] l2tp: hold tunnel used while creating sessions with netlink Giuliano Procida
2020-05-21 23:57 ` [PATCH 21/27] l2tp: prevent creation of sessions on terminated tunnels Giuliano Procida
2020-05-21 23:57 ` [PATCH 22/27] l2tp: pass tunnel pointer to ->session_create() Giuliano Procida
2020-05-21 23:57 ` [PATCH 23/27] l2tp: fix l2tp_eth module loading Giuliano Procida
2020-05-21 23:57 ` [PATCH 24/27] l2tp: don't register sessions in l2tp_session_create() Giuliano Procida
2020-05-21 23:57 ` [PATCH 25/27] l2tp: initialise l2tp_eth sessions before registering them Giuliano Procida
2020-05-21 23:57 ` [PATCH 26/27] l2tp: protect sock pointer of struct pppol2tp_session with RCU Giuliano Procida
2020-05-21 23:57 ` [PATCH 27/27] l2tp: initialise PPP sessions before registering them Giuliano Procida
2020-05-26 10:54 ` [PATCH 00/27] more l2tp locking and ordering fixes Greg KH

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