[IPVS]: Annotate ..._app_hashkey().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 10 insertions, 6 deletions

diff --git a/net/ipv4/ipvs/ip_vs_proto_tcp.c b/net/ipv4/ipvs/ip_vs_proto_tcp.c
index 7de385267b33..b60a07910df7 100644
--- a/net/ipv4/ipvs/ip_vs_proto_tcp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_tcp.c
@@ -490,16 +490,18 @@ tcp_state_transition(struct ip_vs_conn *cp, int direction,
 static struct list_head tcp_apps[TCP_APP_TAB_SIZE];
 static DEFINE_SPINLOCK(tcp_app_lock);
 
-static inline __u16 tcp_app_hashkey(__u16 port)
+static inline __u16 tcp_app_hashkey(__be16 port)
 {
-        return ((port >> TCP_APP_TAB_BITS) ^ port) & TCP_APP_TAB_MASK;
+        return (((__force u16)port >> TCP_APP_TAB_BITS) ^ (__force u16)port)
+                & TCP_APP_TAB_MASK;
 }
 
 
 static int tcp_register_app(struct ip_vs_app *inc)
 {
         struct ip_vs_app *i;
-        __u16 hash, port = inc->port;
+        __u16 hash;
+        __be16 port = inc->port;
         int ret = 0;
 
         hash = tcp_app_hashkey(port);
diff --git a/net/ipv4/ipvs/ip_vs_proto_udp.c b/net/ipv4/ipvs/ip_vs_proto_udp.c
index 452cb9c384b3..261581e6a814 100644
--- a/net/ipv4/ipvs/ip_vs_proto_udp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_udp.c
@@ -282,16 +282,18 @@ udp_csum_check(struct sk_buff *skb, struct ip_vs_protocol *pp)
 static struct list_head udp_apps[UDP_APP_TAB_SIZE];
 static DEFINE_SPINLOCK(udp_app_lock);
 
-static inline __u16 udp_app_hashkey(__u16 port)
+static inline __u16 udp_app_hashkey(__be16 port)
 {
-        return ((port >> UDP_APP_TAB_BITS) ^ port) & UDP_APP_TAB_MASK;
+        return (((__force u16)port >> UDP_APP_TAB_BITS) ^ (__force u16)port)
+                & UDP_APP_TAB_MASK;
 }
 
 
 static int udp_register_app(struct ip_vs_app *inc)
 {
         struct ip_vs_app *i;
-        __u16 hash, port = inc->port;
+        __u16 hash;
+        __be16 port = inc->port;
         int ret = 0;
 
         hash = udp_app_hashkey(port);