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Diffstat (limited to 'net/ipv4/protocol.c')
-rw-r--r--net/ipv4/protocol.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv4/protocol.c b/net/ipv4/protocol.c
index 65699c24411c..9ae5c01cd0b2 100644
--- a/net/ipv4/protocol.c
+++ b/net/ipv4/protocol.c
@@ -28,7 +28,7 @@
#include <linux/spinlock.h>
#include <net/protocol.h>
-const struct net_protocol *inet_protos[MAX_INET_PROTOS] __read_mostly;
+const struct net_protocol __rcu *inet_protos[MAX_INET_PROTOS] __read_mostly;
/*
* Add a protocol handler to the hash tables
@@ -38,7 +38,8 @@ int inet_add_protocol(const struct net_protocol *prot, unsigned char protocol)
{
int hash = protocol & (MAX_INET_PROTOS - 1);
- return !cmpxchg(&inet_protos[hash], NULL, prot) ? 0 : -1;
+ return !cmpxchg((const struct net_protocol **)&inet_protos[hash],
+ NULL, prot) ? 0 : -1;
}
EXPORT_SYMBOL(inet_add_protocol);
@@ -50,7 +51,8 @@ int inet_del_protocol(const struct net_protocol *prot, unsigned char protocol)
{
int ret, hash = protocol & (MAX_INET_PROTOS - 1);
- ret = (cmpxchg(&inet_protos[hash], prot, NULL) == prot) ? 0 : -1;
+ ret = (cmpxchg((const struct net_protocol **)&inet_protos[hash],
+ prot, NULL) == prot) ? 0 : -1;
synchronize_net();