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authorDavid S. Miller <davem@davemloft.net>2019-05-07 17:22:09 -0700
committerDavid S. Miller <davem@davemloft.net>2019-05-07 17:22:09 -0700
commita9e41a529681b38087c91ebc0bb91e12f510ca2d (patch)
tree544bf5861113e2f7e676a333a1267d887c800870 /net/sched
parent23bfaa594002f4bba085e0a1ae3c9847b988d816 (diff)
parenta3147770bea76c8dbad73eca3a24c2118da5e719 (diff)
downloadlinux-a9e41a529681b38087c91ebc0bb91e12f510ca2d.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor conflict with the DSA legacy code removal. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/cls_cgroup.c2
-rw-r--r--net/sched/cls_matchall.c3
2 files changed, 5 insertions, 0 deletions
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 037d128c2851..35659127e5a3 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -32,6 +32,8 @@ static int cls_cgroup_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct cls_cgroup_head *head = rcu_dereference_bh(tp->root);
u32 classid = task_get_classid(skb);
+ if (unlikely(!head))
+ return -1;
if (!classid)
return -1;
if (!tcf_em_tree_match(skb, &head->ematches, NULL))
diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
index da916f39b719..1e98a517fb0b 100644
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -32,6 +32,9 @@ static int mall_classify(struct sk_buff *skb, const struct tcf_proto *tp,
{
struct cls_mall_head *head = rcu_dereference_bh(tp->root);
+ if (unlikely(!head))
+ return -1;
+
if (tc_skip_sw(head->flags))
return -1;