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authorLinus Torvalds <torvalds@linux-foundation.org>2023-08-24 08:23:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-08-24 08:23:13 -0700
commitb5cc3833f13ace75e26e3f7b51cd7b6da5e9cf17 (patch)
treeaa8a16262c569e85c7536e6e60edb240c2c6a902 /net/can/isotp.c
parent93f5de5f648d2b1ce3540a4ac71756d4a852dc23 (diff)
parent8938fc0c7e16e0868a1083deadc91b95b72ca0da (diff)
Merge tag 'net-6.5-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni: "Including fixes from wifi, can and netfilter. Fixes to fixes: - nf_tables: - GC transaction race with abort path - defer gc run if previous batch is still pending Previous releases - regressions: - ipv4: fix data-races around inet->inet_id - phy: fix deadlocking in phy_error() invocation - mdio: fix C45 read/write protocol - ipvlan: fix a reference count leak warning in ipvlan_ns_exit() - ice: fix NULL pointer deref during VF reset - i40e: fix potential NULL pointer dereferencing of pf->vf in i40e_sync_vsi_filters() - tg3: use slab_build_skb() when needed - mtk_eth_soc: fix NULL pointer on hw reset Previous releases - always broken: - core: validate veth and vxcan peer ifindexes - sched: fix a qdisc modification with ambiguous command request - devlink: add missing unregister linecard notification - wifi: mac80211: limit reorder_buf_filtered to avoid UBSAN warning - batman: - do not get eth header before batadv_check_management_packet - fix batadv_v_ogm_aggr_send memory leak - bonding: fix macvlan over alb bond support - mlxsw: set time stamp fields also when its type is MIRROR_UTC" * tag 'net-6.5-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (54 commits) selftests: bonding: add macvlan over bond testing selftest: bond: add new topo bond_topo_2d1c.sh bonding: fix macvlan over alb bond support rtnetlink: Reject negative ifindexes in RTM_NEWLINK netfilter: nf_tables: defer gc run if previous batch is still pending netfilter: nf_tables: fix out of memory error handling netfilter: nf_tables: use correct lock to protect gc_list netfilter: nf_tables: GC transaction race with abort path netfilter: nf_tables: flush pending destroy work before netlink notifier netfilter: nf_tables: validate all pending tables ibmveth: Use dcbf rather than dcbfl i40e: fix potential NULL pointer dereferencing of pf->vf i40e_sync_vsi_filters() net/sched: fix a qdisc modification with ambiguous command request igc: Fix the typo in the PTM Control macro batman-adv: Hold rtnl lock during MTU update via netlink igb: Avoid starting unnecessary workqueues can: raw: add missing refcount for memory leak fix can: isotp: fix support for transmission of SF without flow control bnx2x: new flag for track HW resource allocation sfc: allocate a big enough SKB for loopback selftest packet ...
Diffstat (limited to 'net/can/isotp.c')
-rw-r--r--net/can/isotp.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/net/can/isotp.c b/net/can/isotp.c
index 99770ed28531..f02b5d3e4733 100644
--- a/net/can/isotp.c
+++ b/net/can/isotp.c
@@ -188,12 +188,6 @@ static bool isotp_register_rxid(struct isotp_sock *so)
return (isotp_bc_flags(so) == 0);
}
-static bool isotp_register_txecho(struct isotp_sock *so)
-{
- /* all modes but SF_BROADCAST register for tx echo skbs */
- return (isotp_bc_flags(so) != CAN_ISOTP_SF_BROADCAST);
-}
-
static enum hrtimer_restart isotp_rx_timer_handler(struct hrtimer *hrtimer)
{
struct isotp_sock *so = container_of(hrtimer, struct isotp_sock,
@@ -1209,7 +1203,7 @@ static int isotp_release(struct socket *sock)
lock_sock(sk);
/* remove current filters & unregister */
- if (so->bound && isotp_register_txecho(so)) {
+ if (so->bound) {
if (so->ifindex) {
struct net_device *dev;
@@ -1332,14 +1326,12 @@ static int isotp_bind(struct socket *sock, struct sockaddr *uaddr, int len)
can_rx_register(net, dev, rx_id, SINGLE_MASK(rx_id),
isotp_rcv, sk, "isotp", sk);
- if (isotp_register_txecho(so)) {
- /* no consecutive frame echo skb in flight */
- so->cfecho = 0;
+ /* no consecutive frame echo skb in flight */
+ so->cfecho = 0;
- /* register for echo skb's */
- can_rx_register(net, dev, tx_id, SINGLE_MASK(tx_id),
- isotp_rcv_echo, sk, "isotpe", sk);
- }
+ /* register for echo skb's */
+ can_rx_register(net, dev, tx_id, SINGLE_MASK(tx_id),
+ isotp_rcv_echo, sk, "isotpe", sk);
dev_put(dev);
@@ -1560,7 +1552,7 @@ static void isotp_notify(struct isotp_sock *so, unsigned long msg,
case NETDEV_UNREGISTER:
lock_sock(sk);
/* remove current filters & unregister */
- if (so->bound && isotp_register_txecho(so)) {
+ if (so->bound) {
if (isotp_register_rxid(so))
can_rx_unregister(dev_net(dev), dev, so->rxid,
SINGLE_MASK(so->rxid),