[XFRM]: xrfm_replay_check() annotations

[linux-2.6-microblaze.git] / net / xfrm / xfrm_state.c

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 9f63edd..33e9829 100644 (file)
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -421,7 +421,7 @@ xfrm_init_tempsel(struct xfrm_state *x, struct flowi *fl,
        return 0;
 }
 
-static struct xfrm_state *__xfrm_state_lookup(xfrm_address_t *daddr, u32 spi, u8 proto, unsigned short family)
+static struct xfrm_state *__xfrm_state_lookup(xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family)
 {
        unsigned int h = xfrm_spi_hash(daddr, spi, proto, family);
        struct xfrm_state *x;
@@ -916,7 +916,7 @@ err:
 EXPORT_SYMBOL(xfrm_state_check);
 
 struct xfrm_state *
-xfrm_state_lookup(xfrm_address_t *daddr, u32 spi, u8 proto,
+xfrm_state_lookup(xfrm_address_t *daddr, __be32 spi, u8 proto,
                  unsigned short family)
 {
        struct xfrm_state *x;
@@ -1040,7 +1040,7 @@ u32 xfrm_get_acqseq(void)
 EXPORT_SYMBOL(xfrm_get_acqseq);
 
 void
-xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi)
+xfrm_alloc_spi(struct xfrm_state *x, __be32 minspi, __be32 maxspi)
 {
        unsigned int h;
        struct xfrm_state *x0;
@@ -1057,10 +1057,10 @@ xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi)
                x->id.spi = minspi;
        } else {
                u32 spi = 0;
-               minspi = ntohl(minspi);
-               maxspi = ntohl(maxspi);
-               for (h=0; h<maxspi-minspi+1; h++) {
-                       spi = minspi + net_random()%(maxspi-minspi+1);
+               u32 low = ntohl(minspi);
+               u32 high = ntohl(maxspi);
+               for (h=0; h<high-low+1; h++) {
+                       spi = low + net_random()%(high-low+1);
                        x0 = xfrm_state_lookup(&x->id.daddr, htonl(spi), x->id.proto, x->props.family);
                        if (x0 == NULL) {
                                x->id.spi = htonl(spi);
@@ -1180,11 +1180,10 @@ static void xfrm_replay_timer_handler(unsigned long data)
        spin_unlock(&x->lock);
 }
 
-int xfrm_replay_check(struct xfrm_state *x, u32 seq)
+int xfrm_replay_check(struct xfrm_state *x, __be32 net_seq)
 {
        u32 diff;
-
-       seq = ntohl(seq);
+       u32 seq = ntohl(net_seq);
 
        if (unlikely(seq == 0))
                return -EINVAL;