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authorJakub Kicinski <kuba@kernel.org>2024-07-15 13:05:05 -0700
committerJakub Kicinski <kuba@kernel.org>2024-07-15 13:19:17 -0700
commit51b35d4f9d8860b7c181e545a90bc0ad370efbdb (patch)
treeacde6b56b9ab31e4c8317d3013ca16403b6b9256 /net
parentaf58de31bebe737235f0238843f2054996998bd5 (diff)
parent0a1868b93fad5938dbcca77286b25bf211c49f7a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in late fixes to prepare for the 6.11 net-next PR. Conflicts: 93c3a96c301f ("net: pse-pd: Do not return EOPNOSUPP if config is null") 4cddb0f15ea9 ("net: ethtool: pse-pd: Fix possible null-deref") 30d7b6727724 ("net: ethtool: Add new power limit get and set features") https://lore.kernel.org/20240715123204.623520bb@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_forward.c4
-rw-r--r--net/core/xdp.c4
-rw-r--r--net/ethtool/pse-pd.c8
-rw-r--r--net/ipv4/esp4.c3
-rw-r--r--net/ipv4/esp4_offload.c7
-rw-r--r--net/ipv4/fib_semantics.c13
-rw-r--r--net/ipv6/addrconf.c3
-rw-r--r--net/ipv6/esp6.c3
-rw-r--r--net/ipv6/esp6_offload.c7
-rw-r--r--net/ipv6/ip6_output.c1
-rw-r--r--net/ipv6/route.c2
-rw-r--r--net/packet/af_packet.c86
-rw-r--r--net/xfrm/xfrm_input.c8
-rw-r--r--net/xfrm/xfrm_policy.c5
-rw-r--r--net/xfrm/xfrm_state.c65
-rw-r--r--net/xfrm/xfrm_user.c1
16 files changed, 190 insertions, 30 deletions
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index d97064d460dc..e19b583ff2c6 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -25,8 +25,8 @@ static inline int should_deliver(const struct net_bridge_port *p,
vg = nbp_vlan_group_rcu(p);
return ((p->flags & BR_HAIRPIN_MODE) || skb->dev != p->dev) &&
- p->state == BR_STATE_FORWARDING && br_allowed_egress(vg, skb) &&
- nbp_switchdev_allowed_egress(p, skb) &&
+ (br_mst_is_enabled(p->br) || p->state == BR_STATE_FORWARDING) &&
+ br_allowed_egress(vg, skb) && nbp_switchdev_allowed_egress(p, skb) &&
!br_skb_isolated(p, skb);
}
diff --git a/net/core/xdp.c b/net/core/xdp.c
index 022c12059cf2..bcc5551c6424 100644
--- a/net/core/xdp.c
+++ b/net/core/xdp.c
@@ -127,10 +127,8 @@ void xdp_unreg_mem_model(struct xdp_mem_info *mem)
return;
if (type == MEM_TYPE_PAGE_POOL) {
- rcu_read_lock();
- xa = rhashtable_lookup(mem_id_ht, &id, mem_id_rht_params);
+ xa = rhashtable_lookup_fast(mem_id_ht, &id, mem_id_rht_params);
page_pool_destroy(xa->page_pool);
- rcu_read_unlock();
}
}
EXPORT_SYMBOL_GPL(xdp_unreg_mem_model);
diff --git a/net/ethtool/pse-pd.c b/net/ethtool/pse-pd.c
index ba46c9c8b12d..ff81aa749784 100644
--- a/net/ethtool/pse-pd.c
+++ b/net/ethtool/pse-pd.c
@@ -277,17 +277,21 @@ ethnl_set_pse(struct ethnl_req_info *req_info, struct genl_info *info)
tb[ETHTOOL_A_C33_PSE_ADMIN_CONTROL]) {
struct pse_control_config config = {};
- if (pse_has_podl(phydev->psec))
+ if (tb[ETHTOOL_A_PODL_PSE_ADMIN_CONTROL])
config.podl_admin_control = nla_get_u32(tb[ETHTOOL_A_PODL_PSE_ADMIN_CONTROL]);
- if (pse_has_c33(phydev->psec))
+ if (tb[ETHTOOL_A_C33_PSE_ADMIN_CONTROL])
config.c33_admin_control = nla_get_u32(tb[ETHTOOL_A_C33_PSE_ADMIN_CONTROL]);
+ /* pse_ethtool_set_config() will do nothing if the config
+ * is zero
+ */
ret = pse_ethtool_set_config(phydev->psec, info->extack,
&config);
if (ret)
return ret;
}
+ /* Return errno or zero - PSE has no notification */
return ret;
}
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 73981595f062..47378ca41904 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -239,8 +239,7 @@ static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb)
#else
static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb)
{
- kfree_skb(skb);
-
+ WARN_ON(1);
return -EOPNOTSUPP;
}
#endif
diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c
index a37d18858c72..80c4ea0e12f4 100644
--- a/net/ipv4/esp4_offload.c
+++ b/net/ipv4/esp4_offload.c
@@ -56,6 +56,13 @@ static struct sk_buff *esp4_gro_receive(struct list_head *head,
x = xfrm_state_lookup(dev_net(skb->dev), skb->mark,
(xfrm_address_t *)&ip_hdr(skb)->daddr,
spi, IPPROTO_ESP, AF_INET);
+
+ if (unlikely(x && x->dir && x->dir != XFRM_SA_DIR_IN)) {
+ /* non-offload path will record the error and audit log */
+ xfrm_state_put(x);
+ x = NULL;
+ }
+
if (!x)
goto out_reset;
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 7b6b042208bd..2b57cd2b96e2 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -2269,6 +2269,15 @@ void fib_select_path(struct net *net, struct fib_result *res,
fib_select_default(fl4, res);
check_saddr:
- if (!fl4->saddr)
- fl4->saddr = fib_result_prefsrc(net, res);
+ if (!fl4->saddr) {
+ struct net_device *l3mdev;
+
+ l3mdev = dev_get_by_index_rcu(net, fl4->flowi4_l3mdev);
+
+ if (!l3mdev ||
+ l3mdev_master_dev_rcu(FIB_RES_DEV(*res)) == l3mdev)
+ fl4->saddr = fib_result_prefsrc(net, res);
+ else
+ fl4->saddr = inet_select_addr(l3mdev, 0, RT_SCOPE_LINK);
+ }
}
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 1e69756d53d9..55a0fd589fc8 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1873,7 +1873,8 @@ int ipv6_dev_get_saddr(struct net *net, const struct net_device *dst_dev,
master, &dst,
scores, hiscore_idx);
- if (scores[hiscore_idx].ifa)
+ if (scores[hiscore_idx].ifa &&
+ scores[hiscore_idx].scopedist >= 0)
goto out;
}
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 34a9a5b9ed00..3920e8aa1031 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -256,8 +256,7 @@ static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb)
#else
static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb)
{
- kfree_skb(skb);
-
+ WARN_ON(1);
return -EOPNOTSUPP;
}
#endif
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index 527b7caddbc6..919ebfabbe4e 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -83,6 +83,13 @@ static struct sk_buff *esp6_gro_receive(struct list_head *head,
x = xfrm_state_lookup(dev_net(skb->dev), skb->mark,
(xfrm_address_t *)&ipv6_hdr(skb)->daddr,
spi, IPPROTO_ESP, AF_INET6);
+
+ if (unlikely(x && x->dir && x->dir != XFRM_SA_DIR_IN)) {
+ /* non-offload path will record the error and audit log */
+ xfrm_state_put(x);
+ x = NULL;
+ }
+
if (!x)
goto out_reset;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index e7a19df3125e..ab504d31f0cd 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1124,6 +1124,7 @@ static int ip6_dst_lookup_tail(struct net *net, const struct sock *sk,
from = rt ? rcu_dereference(rt->from) : NULL;
err = ip6_route_get_saddr(net, from, &fl6->daddr,
sk ? READ_ONCE(inet6_sk(sk)->srcprefs) : 0,
+ fl6->flowi6_l3mdev,
&fl6->saddr);
rcu_read_unlock();
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 5b107f241cdb..c752e9ed20e6 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -5687,7 +5687,7 @@ static int rt6_fill_node(struct net *net, struct sk_buff *skb,
goto nla_put_failure;
} else if (dest) {
struct in6_addr saddr_buf;
- if (ip6_route_get_saddr(net, rt, dest, 0, &saddr_buf) == 0 &&
+ if (ip6_route_get_saddr(net, rt, dest, 0, 0, &saddr_buf) == 0 &&
nla_put_in6_addr(skb, RTA_PREFSRC, &saddr_buf))
goto nla_put_failure;
}
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 42d29b8a84fc..4a364cdd445e 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -538,6 +538,61 @@ static void *packet_current_frame(struct packet_sock *po,
return packet_lookup_frame(po, rb, rb->head, status);
}
+static u16 vlan_get_tci(struct sk_buff *skb, struct net_device *dev)
+{
+ u8 *skb_orig_data = skb->data;
+ int skb_orig_len = skb->len;
+ struct vlan_hdr vhdr, *vh;
+ unsigned int header_len;
+
+ if (!dev)
+ return 0;
+
+ /* In the SOCK_DGRAM scenario, skb data starts at the network
+ * protocol, which is after the VLAN headers. The outer VLAN
+ * header is at the hard_header_len offset in non-variable
+ * length link layer headers. If it's a VLAN device, the
+ * min_header_len should be used to exclude the VLAN header
+ * size.
+ */
+ if (dev->min_header_len == dev->hard_header_len)
+ header_len = dev->hard_header_len;
+ else if (is_vlan_dev(dev))
+ header_len = dev->min_header_len;
+ else
+ return 0;
+
+ skb_push(skb, skb->data - skb_mac_header(skb));
+ vh = skb_header_pointer(skb, header_len, sizeof(vhdr), &vhdr);
+ if (skb_orig_data != skb->data) {
+ skb->data = skb_orig_data;
+ skb->len = skb_orig_len;
+ }
+ if (unlikely(!vh))
+ return 0;
+
+ return ntohs(vh->h_vlan_TCI);
+}
+
+static __be16 vlan_get_protocol_dgram(struct sk_buff *skb)
+{
+ __be16 proto = skb->protocol;
+
+ if (unlikely(eth_type_vlan(proto))) {
+ u8 *skb_orig_data = skb->data;
+ int skb_orig_len = skb->len;
+
+ skb_push(skb, skb->data - skb_mac_header(skb));
+ proto = __vlan_get_protocol(skb, proto, NULL);
+ if (skb_orig_data != skb->data) {
+ skb->data = skb_orig_data;
+ skb->len = skb_orig_len;
+ }
+ }
+
+ return proto;
+}
+
static void prb_del_retire_blk_timer(struct tpacket_kbdq_core *pkc)
{
del_timer_sync(&pkc->retire_blk_timer);
@@ -1007,10 +1062,16 @@ static void prb_clear_rxhash(struct tpacket_kbdq_core *pkc,
static void prb_fill_vlan_info(struct tpacket_kbdq_core *pkc,
struct tpacket3_hdr *ppd)
{
+ struct packet_sock *po = container_of(pkc, struct packet_sock, rx_ring.prb_bdqc);
+
if (skb_vlan_tag_present(pkc->skb)) {
ppd->hv1.tp_vlan_tci = skb_vlan_tag_get(pkc->skb);
ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->vlan_proto);
ppd->tp_status = TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID;
+ } else if (unlikely(po->sk.sk_type == SOCK_DGRAM && eth_type_vlan(pkc->skb->protocol))) {
+ ppd->hv1.tp_vlan_tci = vlan_get_tci(pkc->skb, pkc->skb->dev);
+ ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->protocol);
+ ppd->tp_status = TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID;
} else {
ppd->hv1.tp_vlan_tci = 0;
ppd->hv1.tp_vlan_tpid = 0;
@@ -2427,6 +2488,10 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
h.h2->tp_vlan_tci = skb_vlan_tag_get(skb);
h.h2->tp_vlan_tpid = ntohs(skb->vlan_proto);
status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID;
+ } else if (unlikely(sk->sk_type == SOCK_DGRAM && eth_type_vlan(skb->protocol))) {
+ h.h2->tp_vlan_tci = vlan_get_tci(skb, skb->dev);
+ h.h2->tp_vlan_tpid = ntohs(skb->protocol);
+ status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID;
} else {
h.h2->tp_vlan_tci = 0;
h.h2->tp_vlan_tpid = 0;
@@ -2456,7 +2521,8 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
sll->sll_halen = dev_parse_header(skb, sll->sll_addr);
sll->sll_family = AF_PACKET;
sll->sll_hatype = dev->type;
- sll->sll_protocol = skb->protocol;
+ sll->sll_protocol = (sk->sk_type == SOCK_DGRAM) ?
+ vlan_get_protocol_dgram(skb) : skb->protocol;
sll->sll_pkttype = skb->pkt_type;
if (unlikely(packet_sock_flag(po, PACKET_SOCK_ORIGDEV)))
sll->sll_ifindex = orig_dev->ifindex;
@@ -3481,7 +3547,8 @@ static int packet_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
/* Original length was stored in sockaddr_ll fields */
origlen = PACKET_SKB_CB(skb)->sa.origlen;
sll->sll_family = AF_PACKET;
- sll->sll_protocol = skb->protocol;
+ sll->sll_protocol = (sock->type == SOCK_DGRAM) ?
+ vlan_get_protocol_dgram(skb) : skb->protocol;
}
sock_recv_cmsgs(msg, sk, skb);
@@ -3538,6 +3605,21 @@ static int packet_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
aux.tp_vlan_tci = skb_vlan_tag_get(skb);
aux.tp_vlan_tpid = ntohs(skb->vlan_proto);
aux.tp_status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID;
+ } else if (unlikely(sock->type == SOCK_DGRAM && eth_type_vlan(skb->protocol))) {
+ struct sockaddr_ll *sll = &PACKET_SKB_CB(skb)->sa.ll;
+ struct net_device *dev;
+
+ rcu_read_lock();
+ dev = dev_get_by_index_rcu(sock_net(sk), sll->sll_ifindex);
+ if (dev) {
+ aux.tp_vlan_tci = vlan_get_tci(skb, dev);
+ aux.tp_vlan_tpid = ntohs(skb->protocol);
+ aux.tp_status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID;
+ } else {
+ aux.tp_vlan_tci = 0;
+ aux.tp_vlan_tpid = 0;
+ }
+ rcu_read_unlock();
} else {
aux.tp_vlan_tci = 0;
aux.tp_vlan_tpid = 0;
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 7cee9c0a2cdc..749e7eea99e4 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -475,11 +475,6 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
encap_type == UDP_ENCAP_ESPINUDP))) {
x = xfrm_input_state(skb);
- if (unlikely(x->dir && x->dir != XFRM_SA_DIR_IN)) {
- XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEDIRERROR);
- goto drop;
- }
-
if (unlikely(x->km.state != XFRM_STATE_VALID)) {
if (x->km.state == XFRM_STATE_ACQ)
XFRM_INC_STATS(net, LINUX_MIB_XFRMACQUIREERROR);
@@ -586,8 +581,11 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
}
if (unlikely(x->dir && x->dir != XFRM_SA_DIR_IN)) {
+ secpath_reset(skb);
XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEDIRERROR);
+ xfrm_audit_state_notfound(skb, family, spi, seq);
xfrm_state_put(x);
+ x = NULL;
goto drop;
}
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index b35e11d80c27..c56c61b0c12e 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -452,6 +452,8 @@ EXPORT_SYMBOL(xfrm_policy_destroy);
static void xfrm_policy_kill(struct xfrm_policy *policy)
{
+ xfrm_dev_policy_delete(policy);
+
write_lock_bh(&policy->lock);
policy->walk.dead = 1;
write_unlock_bh(&policy->lock);
@@ -1850,7 +1852,6 @@ again:
__xfrm_policy_unlink(pol, dir);
spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
- xfrm_dev_policy_delete(pol);
cnt++;
xfrm_audit_policy_delete(pol, 1, task_valid);
xfrm_policy_kill(pol);
@@ -1891,7 +1892,6 @@ again:
__xfrm_policy_unlink(pol, dir);
spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
- xfrm_dev_policy_delete(pol);
cnt++;
xfrm_audit_policy_delete(pol, 1, task_valid);
xfrm_policy_kill(pol);
@@ -2342,7 +2342,6 @@ int xfrm_policy_delete(struct xfrm_policy *pol, int dir)
pol = __xfrm_policy_unlink(pol, dir);
spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
if (pol) {
- xfrm_dev_policy_delete(pol);
xfrm_policy_kill(pol);
return 0;
}
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index abadc857cd45..37478d36a8df 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -49,6 +49,7 @@ static struct kmem_cache *xfrm_state_cache __ro_after_init;
static DECLARE_WORK(xfrm_state_gc_work, xfrm_state_gc_task);
static HLIST_HEAD(xfrm_state_gc_list);
+static HLIST_HEAD(xfrm_state_dev_gc_list);
static inline bool xfrm_state_hold_rcu(struct xfrm_state __rcu *x)
{
@@ -214,6 +215,7 @@ static DEFINE_SPINLOCK(xfrm_state_afinfo_lock);
static struct xfrm_state_afinfo __rcu *xfrm_state_afinfo[NPROTO];
static DEFINE_SPINLOCK(xfrm_state_gc_lock);
+static DEFINE_SPINLOCK(xfrm_state_dev_gc_lock);
int __xfrm_state_delete(struct xfrm_state *x);
@@ -683,6 +685,41 @@ struct xfrm_state *xfrm_state_alloc(struct net *net)
}
EXPORT_SYMBOL(xfrm_state_alloc);
+#ifdef CONFIG_XFRM_OFFLOAD
+void xfrm_dev_state_delete(struct xfrm_state *x)
+{
+ struct xfrm_dev_offload *xso = &x->xso;
+ struct net_device *dev = READ_ONCE(xso->dev);
+
+ if (dev) {
+ dev->xfrmdev_ops->xdo_dev_state_delete(x);
+ spin_lock_bh(&xfrm_state_dev_gc_lock);
+ hlist_add_head(&x->dev_gclist, &xfrm_state_dev_gc_list);
+ spin_unlock_bh(&xfrm_state_dev_gc_lock);
+ }
+}
+EXPORT_SYMBOL_GPL(xfrm_dev_state_delete);
+
+void xfrm_dev_state_free(struct xfrm_state *x)
+{
+ struct xfrm_dev_offload *xso = &x->xso;
+ struct net_device *dev = READ_ONCE(xso->dev);
+
+ if (dev && dev->xfrmdev_ops) {
+ spin_lock_bh(&xfrm_state_dev_gc_lock);
+ if (!hlist_unhashed(&x->dev_gclist))
+ hlist_del(&x->dev_gclist);
+ spin_unlock_bh(&xfrm_state_dev_gc_lock);
+
+ if (dev->xfrmdev_ops->xdo_dev_state_free)
+ dev->xfrmdev_ops->xdo_dev_state_free(x);
+ WRITE_ONCE(xso->dev, NULL);
+ xso->type = XFRM_DEV_OFFLOAD_UNSPECIFIED;
+ netdev_put(dev, &xso->dev_tracker);
+ }
+}
+#endif
+
void __xfrm_state_destroy(struct xfrm_state *x, bool sync)
{
WARN_ON(x->km.state != XFRM_STATE_DEAD);
@@ -849,6 +886,9 @@ EXPORT_SYMBOL(xfrm_state_flush);
int xfrm_dev_state_flush(struct net *net, struct net_device *dev, bool task_valid)
{
+ struct xfrm_state *x;
+ struct hlist_node *tmp;
+ struct xfrm_dev_offload *xso;
int i, err = 0, cnt = 0;
spin_lock_bh(&net->xfrm.xfrm_state_lock);
@@ -858,8 +898,6 @@ int xfrm_dev_state_flush(struct net *net, struct net_device *dev, bool task_vali
err = -ESRCH;
for (i = 0; i <= net->xfrm.state_hmask; i++) {
- struct xfrm_state *x;
- struct xfrm_dev_offload *xso;
restart:
hlist_for_each_entry(x, net->xfrm.state_bydst+i, bydst) {
xso = &x->xso;
@@ -869,6 +907,8 @@ restart:
spin_unlock_bh(&net->xfrm.xfrm_state_lock);
err = xfrm_state_delete(x);
+ xfrm_dev_state_free(x);
+
xfrm_audit_state_delete(x, err ? 0 : 1,
task_valid);
xfrm_state_put(x);
@@ -885,6 +925,24 @@ restart:
out:
spin_unlock_bh(&net->xfrm.xfrm_state_lock);
+
+ spin_lock_bh(&xfrm_state_dev_gc_lock);
+restart_gc:
+ hlist_for_each_entry_safe(x, tmp, &xfrm_state_dev_gc_list, dev_gclist) {
+ xso = &x->xso;
+
+ if (xso->dev == dev) {
+ spin_unlock_bh(&xfrm_state_dev_gc_lock);
+ xfrm_dev_state_free(x);
+ spin_lock_bh(&xfrm_state_dev_gc_lock);
+ goto restart_gc;
+ }
+
+ }
+ spin_unlock_bh(&xfrm_state_dev_gc_lock);
+
+ xfrm_flush_gc();
+
return err;
}
EXPORT_SYMBOL(xfrm_dev_state_flush);
@@ -1274,8 +1332,7 @@ found:
xso->dev = xdo->dev;
xso->real_dev = xdo->real_dev;
xso->flags = XFRM_DEV_OFFLOAD_FLAG_ACQ;
- netdev_tracker_alloc(xso->dev, &xso->dev_tracker,
- GFP_ATOMIC);
+ netdev_hold(xso->dev, &xso->dev_tracker, GFP_ATOMIC);
error = xso->dev->xfrmdev_ops->xdo_dev_state_add(x, NULL);
if (error) {
xso->dir = 0;
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index a552cfa623ea..55f039ec3d59 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2466,7 +2466,6 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
NETLINK_CB(skb).portid);
}
} else {
- xfrm_dev_policy_delete(xp);
xfrm_audit_policy_delete(xp, err ? 0 : 1, true);
if (err != 0)