aboutsummaryrefslogtreecommitdiffstats
path: root/net/ipv6/protocol.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6/protocol.c')
-rw-r--r--net/ipv6/protocol.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv6/protocol.c b/net/ipv6/protocol.c
index 9bb936ae2452..9a7978fdc02a 100644
--- a/net/ipv6/protocol.c
+++ b/net/ipv6/protocol.c
@@ -25,13 +25,14 @@
25#include <linux/spinlock.h> 25#include <linux/spinlock.h>
26#include <net/protocol.h> 26#include <net/protocol.h>
27 27
28const struct inet6_protocol *inet6_protos[MAX_INET_PROTOS] __read_mostly; 28const struct inet6_protocol __rcu *inet6_protos[MAX_INET_PROTOS] __read_mostly;
29 29
30int inet6_add_protocol(const struct inet6_protocol *prot, unsigned char protocol) 30int inet6_add_protocol(const struct inet6_protocol *prot, unsigned char protocol)
31{ 31{
32 int hash = protocol & (MAX_INET_PROTOS - 1); 32 int hash = protocol & (MAX_INET_PROTOS - 1);
33 33
34 return !cmpxchg(&inet6_protos[hash], NULL, prot) ? 0 : -1; 34 return !cmpxchg((const struct inet6_protocol **)&inet6_protos[hash],
35 NULL, prot) ? 0 : -1;
35} 36}
36EXPORT_SYMBOL(inet6_add_protocol); 37EXPORT_SYMBOL(inet6_add_protocol);
37 38
@@ -43,7 +44,8 @@ int inet6_del_protocol(const struct inet6_protocol *prot, unsigned char protocol
43{ 44{
44 int ret, hash = protocol & (MAX_INET_PROTOS - 1); 45 int ret, hash = protocol & (MAX_INET_PROTOS - 1);
45 46
46 ret = (cmpxchg(&inet6_protos[hash], prot, NULL) == prot) ? 0 : -1; 47 ret = (cmpxchg((const struct inet6_protocol **)&inet6_protos[hash],
48 prot, NULL) == prot) ? 0 : -1;
47 49
48 synchronize_net(); 50 synchronize_net();
49 51