6 files changed, 30 insertions, 29 deletions

diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 6f59de98dabd..15033057d44e 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -71,10 +71,11 @@ struct inet_frags {
         u32                     rnd;
         int                     qsize;
 
-        unsigned int            (*hashfn)(struct inet_frag_queue *);
-        bool                    (*match)(struct inet_frag_queue *q, void *arg);
+        unsigned int            (*hashfn)(const struct inet_frag_queue *);
+        bool                    (*match)(const struct inet_frag_queue *q,
+                                         const void *arg);
         void                    (*constructor)(struct inet_frag_queue *q,
-                                                void *arg);
+                                               const void *arg);
         void                    (*destructor)(struct inet_frag_queue *);
         void                    (*skb_free)(struct sk_buff *);
         void                    (*frag_expire)(unsigned long data);
@@ -131,9 +132,9 @@ static inline void init_frag_mem_limit(struct netns_frags *nf)
         percpu_counter_init(&nf->mem, 0);
 }
 
-static inline int sum_frag_mem_limit(struct netns_frags *nf)
+static inline unsigned int sum_frag_mem_limit(struct netns_frags *nf)
 {
-        int res;
+        unsigned int res;
 
         local_bh_disable();
         res = percpu_counter_sum_positive(&nf->mem);
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index a25017247457..25c2170e1298 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -496,8 +496,8 @@ struct ip6_create_arg {
         u8 ecn;
 };
 
-void ip6_frag_init(struct inet_frag_queue *q, void *a);
-bool ip6_frag_match(struct inet_frag_queue *q, void *a);
+void ip6_frag_init(struct inet_frag_queue *q, const void *a);
+bool ip6_frag_match(const struct inet_frag_queue *q, const void *a);
 
 /*
  *      Equivalent of ipv4 struct ip
diff --git a/net/ieee802154/reassembly.c b/net/ieee802154/reassembly.c
index b85bd3f7048e..a5588be18024 100644
--- a/net/ieee802154/reassembly.c
+++ b/net/ieee802154/reassembly.c
@@ -61,18 +61,18 @@ static unsigned int lowpan_hash_frag(__be16 tag, u16 d_size,
         return c & (INETFRAGS_HASHSZ - 1);
 }
 
-static unsigned int lowpan_hashfn(struct inet_frag_queue *q)
+static unsigned int lowpan_hashfn(const struct inet_frag_queue *q)
 {
-        struct lowpan_frag_queue *fq;
+        const struct lowpan_frag_queue *fq;
 
         fq = container_of(q, struct lowpan_frag_queue, q);
         return lowpan_hash_frag(fq->tag, fq->d_size, &fq->saddr, &fq->daddr);
 }
 
-static bool lowpan_frag_match(struct inet_frag_queue *q, void *a)
+static bool lowpan_frag_match(const struct inet_frag_queue *q, const void *a)
 {
-        struct lowpan_frag_queue *fq;
-        struct lowpan_create_arg *arg = a;
+        const struct lowpan_frag_queue *fq;
+        const struct lowpan_create_arg *arg = a;
 
         fq = container_of(q, struct lowpan_frag_queue, q);
         return  fq->tag == arg->tag && fq->d_size == arg->d_size &&
@@ -80,10 +80,10 @@ static bool lowpan_frag_match(struct inet_frag_queue *q, void *a)
                 ieee802154_addr_equal(&fq->daddr, arg->dst);
 }
 
-static void lowpan_frag_init(struct inet_frag_queue *q, void *a)
+static void lowpan_frag_init(struct inet_frag_queue *q, const void *a)
 {
+        const struct lowpan_create_arg *arg = a;
         struct lowpan_frag_queue *fq;
-        struct lowpan_create_arg *arg = a;
 
         fq = container_of(q, struct lowpan_frag_queue, q);
 
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index ed32313e307c..586e6aaf9e6e 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -112,18 +112,18 @@ static unsigned int ipqhashfn(__be16 id, __be32 saddr, __be32 daddr, u8 prot)
                             ip4_frags.rnd) & (INETFRAGS_HASHSZ - 1);
 }
 
-static unsigned int ip4_hashfn(struct inet_frag_queue *q)
+static unsigned int ip4_hashfn(const struct inet_frag_queue *q)
 {
-        struct ipq *ipq;
+        const struct ipq *ipq;
 
         ipq = container_of(q, struct ipq, q);
         return ipqhashfn(ipq->id, ipq->saddr, ipq->daddr, ipq->protocol);
 }
 
-static bool ip4_frag_match(struct inet_frag_queue *q, void *a)
+static bool ip4_frag_match(const struct inet_frag_queue *q, const void *a)
 {
-        struct ipq *qp;
-        struct ip4_create_arg *arg = a;
+        const struct ipq *qp;
+        const struct ip4_create_arg *arg = a;
 
         qp = container_of(q, struct ipq, q);
         return  qp->id == arg->iph->id &&
@@ -133,14 +133,14 @@ static bool ip4_frag_match(struct inet_frag_queue *q, void *a)
                 qp->user == arg->user;
 }
 
-static void ip4_frag_init(struct inet_frag_queue *q, void *a)
+static void ip4_frag_init(struct inet_frag_queue *q, const void *a)
 {
         struct ipq *qp = container_of(q, struct ipq, q);
         struct netns_ipv4 *ipv4 = container_of(q->net, struct netns_ipv4,
                                                frags);
         struct net *net = container_of(ipv4, struct net, ipv4);
 
-        struct ip4_create_arg *arg = a;
+        const struct ip4_create_arg *arg = a;
 
         qp->protocol = arg->iph->protocol;
         qp->id = arg->iph->id;
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 0d5279fd852a..c2c3f2116bc5 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -156,7 +156,7 @@ static unsigned int nf_hash_frag(__be32 id, const struct in6_addr *saddr,
 }
 
 
-static unsigned int nf_hashfn(struct inet_frag_queue *q)
+static unsigned int nf_hashfn(const struct inet_frag_queue *q)
 {
         const struct frag_queue *nq;
 
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index cc85a9ba5010..0c6932cc08cb 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -94,18 +94,18 @@ static unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr,
         return c & (INETFRAGS_HASHSZ - 1);
 }
 
-static unsigned int ip6_hashfn(struct inet_frag_queue *q)
+static unsigned int ip6_hashfn(const struct inet_frag_queue *q)
 {
-        struct frag_queue *fq;
+        const struct frag_queue *fq;
 
         fq = container_of(q, struct frag_queue, q);
         return inet6_hash_frag(fq->id, &fq->saddr, &fq->daddr);
 }
 
-bool ip6_frag_match(struct inet_frag_queue *q, void *a)
+bool ip6_frag_match(const struct inet_frag_queue *q, const void *a)
 {
-        struct frag_queue *fq;
-        struct ip6_create_arg *arg = a;
+        const struct frag_queue *fq;
+        const struct ip6_create_arg *arg = a;
 
         fq = container_of(q, struct frag_queue, q);
         return  fq->id == arg->id &&
@@ -115,10 +115,10 @@ bool ip6_frag_match(struct inet_frag_queue *q, void *a)
 }
 EXPORT_SYMBOL(ip6_frag_match);
 
-void ip6_frag_init(struct inet_frag_queue *q, void *a)
+void ip6_frag_init(struct inet_frag_queue *q, const void *a)
 {
         struct frag_queue *fq = container_of(q, struct frag_queue, q);
-        struct ip6_create_arg *arg = a;
+        const struct ip6_create_arg *arg = a;
 
         fq->id = arg->id;
         fq->user = arg->user;