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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 @@
28#include <linux/spinlock.h> 28#include <linux/spinlock.h>
29#include <net/protocol.h> 29#include <net/protocol.h>
30 30
31const struct net_protocol *inet_protos[MAX_INET_PROTOS] __read_mostly; 31const struct net_protocol __rcu *inet_protos[MAX_INET_PROTOS] __read_mostly;
32 32
33/* 33/*
34 * Add a protocol handler to the hash tables 34 * Add a protocol handler to the hash tables
@@ -38,7 +38,8 @@ int inet_add_protocol(const struct net_protocol *prot, unsigned char protocol)
38{ 38{
39 int hash = protocol & (MAX_INET_PROTOS - 1); 39 int hash = protocol & (MAX_INET_PROTOS - 1);
40 40
41 return !cmpxchg(&inet_protos[hash], NULL, prot) ? 0 : -1; 41 return !cmpxchg((const struct net_protocol **)&inet_protos[hash],
42 NULL, prot) ? 0 : -1;
42} 43}
43EXPORT_SYMBOL(inet_add_protocol); 44EXPORT_SYMBOL(inet_add_protocol);
44 45
@@ -50,7 +51,8 @@ int inet_del_protocol(const struct net_protocol *prot, unsigned char protocol)
50{ 51{
51 int ret, hash = protocol & (MAX_INET_PROTOS - 1); 52 int ret, hash = protocol & (MAX_INET_PROTOS - 1);
52 53
53 ret = (cmpxchg(&inet_protos[hash], prot, NULL) == prot) ? 0 : -1; 54 ret = (cmpxchg((const struct net_protocol **)&inet_protos[hash],
55 prot, NULL) == prot) ? 0 : -1;
54 56
55 synchronize_net(); 57 synchronize_net();
56 58