net: Make flow cache paths use a const struct flowi.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 7 deletions

diff --git a/net/core/flow.c b/net/core/flow.c
index 127c8a7ffd61..990703b8863b 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -172,9 +172,9 @@ static void flow_new_hash_rnd(struct flow_cache *fc,
 
 static u32 flow_hash_code(struct flow_cache *fc,
                           struct flow_cache_percpu *fcp,
-                          struct flowi *key)
+                          const struct flowi *key)
 {
-        u32 *k = (u32 *) key;
+        const u32 *k = (const u32 *) key;
 
         return jhash2(k, (sizeof(*key) / sizeof(u32)), fcp->hash_rnd)
                 & (flow_cache_hash_size(fc) - 1);
@@ -186,17 +186,17 @@ typedef unsigned long flow_compare_t;
  * important assumptions that we can here, such as alignment and
  * constant size.
  */
-static int flow_key_compare(struct flowi *key1, struct flowi *key2)
+static int flow_key_compare(const struct flowi *key1, const struct flowi *key2)
 {
-        flow_compare_t *k1, *k1_lim, *k2;
+        const flow_compare_t *k1, *k1_lim, *k2;
         const int n_elem = sizeof(struct flowi) / sizeof(flow_compare_t);
 
         BUILD_BUG_ON(sizeof(struct flowi) % sizeof(flow_compare_t));
 
-        k1 = (flow_compare_t *) key1;
+        k1 = (const flow_compare_t *) key1;
         k1_lim = k1 + n_elem;
 
-        k2 = (flow_compare_t *) key2;
+        k2 = (const flow_compare_t *) key2;
 
         do {
                 if (*k1++ != *k2++)
@@ -207,7 +207,7 @@ static int flow_key_compare(struct flowi *key1, struct flowi *key2)
 }
 
 struct flow_cache_object *
-flow_cache_lookup(struct net *net, struct flowi *key, u16 family, u8 dir,
+flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir,
                   flow_resolve_t resolver, void *ctx)
 {
         struct flow_cache *fc = &flow_cache_global;