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-rw-r--r--net/ipv4/fib_lookup.h1
-rw-r--r--net/ipv4/fib_semantics.c3
2 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h
index b729d97cfa9..ef6609ea0eb 100644
--- a/net/ipv4/fib_lookup.h
+++ b/net/ipv4/fib_lookup.h
@@ -7,6 +7,7 @@
struct fib_alias {
struct list_head fa_list;
+ struct rcu_head rcu;
struct fib_info *fa_info;
u8 fa_tos;
u8 fa_type;
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 7e4651b3caa..d41219e8037 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -854,6 +854,7 @@ failure:
return NULL;
}
+/* Note! fib_semantic_match intentionally uses RCU list functions. */
int fib_semantic_match(struct list_head *head, const struct flowi *flp,
struct fib_result *res, __u32 zone, __u32 mask,
int prefixlen)
@@ -861,7 +862,7 @@ int fib_semantic_match(struct list_head *head, const struct flowi *flp,
struct fib_alias *fa;
int nh_sel = 0;
- list_for_each_entry(fa, head, fa_list) {
+ list_for_each_entry_rcu(fa, head, fa_list) {
int err;
if (fa->fa_tos &&