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authorDavid S. Miller <davem@davemloft.net>2019-04-05 14:14:19 -0700
committerDavid S. Miller <davem@davemloft.net>2019-04-05 14:14:19 -0700
commitf83f7151950dd9e0f6b4a1a405bf5e55c5294e4d (patch)
treef8d9d8ee821fcc9f0a8e1a8679bc622219c70e3b /net/core
parent8f4043f1253292495dbf9c8be0c1b07b4b9902b7 (diff)
parent7f46774c6480174eb869a3c15167eafac467a6af (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor comment merge conflict in mlx5. Staging driver has a fixup due to the skb->xmit_more changes in 'net-next', but was removed in 'net'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/datagram.c2
-rw-r--r--net/core/dev.c4
-rw-r--r--net/core/ethtool.c46
-rw-r--r--net/core/filter.c16
-rw-r--r--net/core/flow_dissector.c4
-rw-r--r--net/core/net_namespace.c1
-rw-r--r--net/core/skbuff.c2
7 files changed, 42 insertions, 33 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c
index 0dafec5cada0..91bb5a083fee 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -281,7 +281,7 @@ struct sk_buff *__skb_try_recv_datagram(struct sock *sk, unsigned int flags,
break;
sk_busy_loop(sk, flags & MSG_DONTWAIT);
- } while (!skb_queue_empty(&sk->sk_receive_queue));
+ } while (sk->sk_receive_queue.prev != *last);
error = -EAGAIN;
diff --git a/net/core/dev.c b/net/core/dev.c
index a95782764360..b430f851f377 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5017,8 +5017,10 @@ static inline void __netif_receive_skb_list_ptype(struct list_head *head,
if (pt_prev->list_func != NULL)
pt_prev->list_func(head, pt_prev, orig_dev);
else
- list_for_each_entry_safe(skb, next, head, list)
+ list_for_each_entry_safe(skb, next, head, list) {
+ skb_list_del_init(skb);
pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
+ }
}
static void __netif_receive_skb_list_core(struct list_head *head, bool pfmemalloc)
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 387d67eb75ab..4a593853cbf2 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -1798,11 +1798,16 @@ static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
WARN_ON_ONCE(!ret);
gstrings.len = ret;
- data = vzalloc(array_size(gstrings.len, ETH_GSTRING_LEN));
- if (gstrings.len && !data)
- return -ENOMEM;
- __ethtool_get_strings(dev, gstrings.string_set, data);
+ if (gstrings.len) {
+ data = vzalloc(array_size(gstrings.len, ETH_GSTRING_LEN));
+ if (!data)
+ return -ENOMEM;
+
+ __ethtool_get_strings(dev, gstrings.string_set, data);
+ } else {
+ data = NULL;
+ }
ret = -EFAULT;
if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
@@ -1898,11 +1903,15 @@ static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
return -EFAULT;
stats.n_stats = n_stats;
- data = vzalloc(array_size(n_stats, sizeof(u64)));
- if (n_stats && !data)
- return -ENOMEM;
- ops->get_ethtool_stats(dev, &stats, data);
+ if (n_stats) {
+ data = vzalloc(array_size(n_stats, sizeof(u64)));
+ if (!data)
+ return -ENOMEM;
+ ops->get_ethtool_stats(dev, &stats, data);
+ } else {
+ data = NULL;
+ }
ret = -EFAULT;
if (copy_to_user(useraddr, &stats, sizeof(stats)))
@@ -1942,16 +1951,21 @@ static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr)
return -EFAULT;
stats.n_stats = n_stats;
- data = vzalloc(array_size(n_stats, sizeof(u64)));
- if (n_stats && !data)
- return -ENOMEM;
- if (dev->phydev && !ops->get_ethtool_phy_stats) {
- ret = phy_ethtool_get_stats(dev->phydev, &stats, data);
- if (ret < 0)
- return ret;
+ if (n_stats) {
+ data = vzalloc(array_size(n_stats, sizeof(u64)));
+ if (!data)
+ return -ENOMEM;
+
+ if (dev->phydev && !ops->get_ethtool_phy_stats) {
+ ret = phy_ethtool_get_stats(dev->phydev, &stats, data);
+ if (ret < 0)
+ goto out;
+ } else {
+ ops->get_ethtool_phy_stats(dev, &stats, data);
+ }
} else {
- ops->get_ethtool_phy_stats(dev, &stats, data);
+ data = NULL;
}
ret = -EFAULT;
diff --git a/net/core/filter.c b/net/core/filter.c
index 08b53af84132..8904e3407163 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -6862,14 +6862,8 @@ static bool flow_dissector_is_valid_access(int off, int size,
const struct bpf_prog *prog,
struct bpf_insn_access_aux *info)
{
- if (type == BPF_WRITE) {
- switch (off) {
- case bpf_ctx_range_till(struct __sk_buff, cb[0], cb[4]):
- break;
- default:
- return false;
- }
- }
+ if (type == BPF_WRITE)
+ return false;
switch (off) {
case bpf_ctx_range(struct __sk_buff, data):
@@ -6881,11 +6875,7 @@ static bool flow_dissector_is_valid_access(int off, int size,
case bpf_ctx_range_ptr(struct __sk_buff, flow_keys):
info->reg_type = PTR_TO_FLOW_KEYS;
break;
- case bpf_ctx_range(struct __sk_buff, tc_classid):
- case bpf_ctx_range(struct __sk_buff, data_meta):
- case bpf_ctx_range_till(struct __sk_buff, family, local_port):
- case bpf_ctx_range(struct __sk_buff, tstamp):
- case bpf_ctx_range(struct __sk_buff, wire_len):
+ default:
return false;
}
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index b4d581134ef2..795449713ba4 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -707,6 +707,7 @@ bool __skb_flow_bpf_dissect(struct bpf_prog *prog,
/* Pass parameters to the BPF program */
memset(flow_keys, 0, sizeof(*flow_keys));
cb->qdisc_cb.flow_keys = flow_keys;
+ flow_keys->n_proto = skb->protocol;
flow_keys->nhoff = skb_network_offset(skb);
flow_keys->thoff = flow_keys->nhoff;
@@ -716,7 +717,8 @@ bool __skb_flow_bpf_dissect(struct bpf_prog *prog,
/* Restore state */
memcpy(cb, &cb_saved, sizeof(cb_saved));
- flow_keys->nhoff = clamp_t(u16, flow_keys->nhoff, 0, skb->len);
+ flow_keys->nhoff = clamp_t(u16, flow_keys->nhoff,
+ skb_network_offset(skb), skb->len);
flow_keys->thoff = clamp_t(u16, flow_keys->thoff,
flow_keys->nhoff, skb->len);
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 17f36317363d..7e6dcc625701 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -304,6 +304,7 @@ static __net_init int setup_net(struct net *net, struct user_namespace *user_ns)
refcount_set(&net->count, 1);
refcount_set(&net->passive, 1);
+ get_random_bytes(&net->hash_mix, sizeof(u32));
net->dev_base_seq = 1;
net->user_ns = user_ns;
idr_init(&net->netns_ids);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 4782f9354dd1..9901f5322852 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3800,7 +3800,7 @@ int skb_gro_receive(struct sk_buff *p, struct sk_buff *skb)
unsigned int delta_truesize;
struct sk_buff *lp;
- if (unlikely(p->len + len >= 65536))
+ if (unlikely(p->len + len >= 65536 || NAPI_GRO_CB(skb)->flush))
return -E2BIG;
lp = NAPI_GRO_CB(p)->last;