From a8701a6c7ae0142393d0fe87a1e7778bd04d1ac7 Mon Sep 17 00:00:00 2001 From: WANG Cong Date: Thu, 9 Jan 2014 16:14:03 -0800 Subject: [PATCH] net_sched: avoid casting void pointer tp->root is a void* pointer, no need to cast it. Cc: Jamal Hadi Salim Cc: David S. Miller Signed-off-by: Cong Wang Acked-by: Jamal Hadi Salim Signed-off-by: David S. Miller --- net/sched/cls_basic.c | 10 +++++----- net/sched/cls_fw.c | 14 +++++++------- net/sched/cls_route.c | 6 +++--- net/sched/cls_tcindex.c | 17 +++++++---------- net/sched/cls_u32.c | 2 +- 5 files changed, 23 insertions(+), 26 deletions(-) diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c index af6bea1..e98ca99 100644 --- a/net/sched/cls_basic.c +++ b/net/sched/cls_basic.c @@ -38,7 +38,7 @@ static int basic_classify(struct sk_buff *skb, const struct tcf_proto *tp, struct tcf_result *res) { int r; - struct basic_head *head = (struct basic_head *) tp->root; + struct basic_head *head = tp->root; struct basic_filter *f; list_for_each_entry(f, &head->flist, link) { @@ -56,7 +56,7 @@ static int basic_classify(struct sk_buff *skb, const struct tcf_proto *tp, static unsigned long basic_get(struct tcf_proto *tp, u32 handle) { unsigned long l = 0UL; - struct basic_head *head = (struct basic_head *) tp->root; + struct basic_head *head = tp->root; struct basic_filter *f; if (head == NULL) @@ -107,7 +107,7 @@ static void basic_destroy(struct tcf_proto *tp) static int basic_delete(struct tcf_proto *tp, unsigned long arg) { - struct basic_head *head = (struct basic_head *) tp->root; + struct basic_head *head = tp->root; struct basic_filter *t, *f = (struct basic_filter *) arg; list_for_each_entry(t, &head->flist, link) @@ -164,7 +164,7 @@ static int basic_change(struct net *net, struct sk_buff *in_skb, struct nlattr **tca, unsigned long *arg) { int err; - struct basic_head *head = (struct basic_head *) tp->root; + struct basic_head *head = tp->root; struct nlattr *tb[TCA_BASIC_MAX + 1]; struct basic_filter *f = (struct basic_filter *) *arg; @@ -225,7 +225,7 @@ errout: static void basic_walk(struct tcf_proto *tp, struct tcf_walker *arg) { - struct basic_head *head = (struct basic_head *) tp->root; + struct basic_head *head = tp->root; struct basic_filter *f; list_for_each_entry(f, &head->flist, link) { diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c index ca662aa..ed00e8c 100644 --- a/net/sched/cls_fw.c +++ b/net/sched/cls_fw.c @@ -75,7 +75,7 @@ static inline int fw_hash(u32 handle) static int fw_classify(struct sk_buff *skb, const struct tcf_proto *tp, struct tcf_result *res) { - struct fw_head *head = (struct fw_head *)tp->root; + struct fw_head *head = tp->root; struct fw_filter *f; int r; u32 id = skb->mark; @@ -111,7 +111,7 @@ static int fw_classify(struct sk_buff *skb, const struct tcf_proto *tp, static unsigned long fw_get(struct tcf_proto *tp, u32 handle) { - struct fw_head *head = (struct fw_head *)tp->root; + struct fw_head *head = tp->root; struct fw_filter *f; if (head == NULL) @@ -160,7 +160,7 @@ static void fw_destroy(struct tcf_proto *tp) static int fw_delete(struct tcf_proto *tp, unsigned long arg) { - struct fw_head *head = (struct fw_head *)tp->root; + struct fw_head *head = tp->root; struct fw_filter *f = (struct fw_filter *)arg; struct fw_filter **fp; @@ -190,7 +190,7 @@ static int fw_change_attrs(struct net *net, struct tcf_proto *tp, struct fw_filter *f, struct nlattr **tb, struct nlattr **tca, unsigned long base) { - struct fw_head *head = (struct fw_head *)tp->root; + struct fw_head *head = tp->root; struct tcf_exts e; u32 mask; int err; @@ -237,7 +237,7 @@ static int fw_change(struct net *net, struct sk_buff *in_skb, struct nlattr **tca, unsigned long *arg) { - struct fw_head *head = (struct fw_head *)tp->root; + struct fw_head *head = tp->root; struct fw_filter *f = (struct fw_filter *) *arg; struct nlattr *opt = tca[TCA_OPTIONS]; struct nlattr *tb[TCA_FW_MAX + 1]; @@ -300,7 +300,7 @@ errout: static void fw_walk(struct tcf_proto *tp, struct tcf_walker *arg) { - struct fw_head *head = (struct fw_head *)tp->root; + struct fw_head *head = tp->root; int h; if (head == NULL) @@ -329,7 +329,7 @@ static void fw_walk(struct tcf_proto *tp, struct tcf_walker *arg) static int fw_dump(struct net *net, struct tcf_proto *tp, unsigned long fh, struct sk_buff *skb, struct tcmsg *t) { - struct fw_head *head = (struct fw_head *)tp->root; + struct fw_head *head = tp->root; struct fw_filter *f = (struct fw_filter *)fh; unsigned char *b = skb_tail_pointer(skb); struct nlattr *nest; diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c index c913613..1ad3068 100644 --- a/net/sched/cls_route.c +++ b/net/sched/cls_route.c @@ -123,7 +123,7 @@ static inline int route4_hash_wild(void) static int route4_classify(struct sk_buff *skb, const struct tcf_proto *tp, struct tcf_result *res) { - struct route4_head *head = (struct route4_head *)tp->root; + struct route4_head *head = tp->root; struct dst_entry *dst; struct route4_bucket *b; struct route4_filter *f; @@ -213,7 +213,7 @@ static inline u32 from_hash(u32 id) static unsigned long route4_get(struct tcf_proto *tp, u32 handle) { - struct route4_head *head = (struct route4_head *)tp->root; + struct route4_head *head = tp->root; struct route4_bucket *b; struct route4_filter *f; unsigned int h1, h2; @@ -284,7 +284,7 @@ static void route4_destroy(struct tcf_proto *tp) static int route4_delete(struct tcf_proto *tp, unsigned long arg) { - struct route4_head *head = (struct route4_head *)tp->root; + struct route4_head *head = tp->root; struct route4_filter **fp, *f = (struct route4_filter *)arg; unsigned int h = 0; struct route4_bucket *b; diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c index f575353..eed8404 100644 --- a/net/sched/cls_tcindex.c +++ b/net/sched/cls_tcindex.c @@ -24,9 +24,6 @@ #define DEFAULT_HASH_SIZE 64 /* optimized for diffserv */ -#define PRIV(tp) ((struct tcindex_data *) (tp)->root) - - struct tcindex_filter_result { struct tcf_exts exts; struct tcf_result res; @@ -77,7 +74,7 @@ tcindex_lookup(struct tcindex_data *p, u16 key) static int tcindex_classify(struct sk_buff *skb, const struct tcf_proto *tp, struct tcf_result *res) { - struct tcindex_data *p = PRIV(tp); + struct tcindex_data *p = tp->root; struct tcindex_filter_result *f; int key = (skb->tc_index & p->mask) >> p->shift; @@ -102,7 +99,7 @@ static int tcindex_classify(struct sk_buff *skb, const struct tcf_proto *tp, static unsigned long tcindex_get(struct tcf_proto *tp, u32 handle) { - struct tcindex_data *p = PRIV(tp); + struct tcindex_data *p = tp->root; struct tcindex_filter_result *r; pr_debug("tcindex_get(tp %p,handle 0x%08x)\n", tp, handle); @@ -140,7 +137,7 @@ static int tcindex_init(struct tcf_proto *tp) static int __tcindex_delete(struct tcf_proto *tp, unsigned long arg, int lock) { - struct tcindex_data *p = PRIV(tp); + struct tcindex_data *p = tp->root; struct tcindex_filter_result *r = (struct tcindex_filter_result *) arg; struct tcindex_filter *f = NULL; @@ -338,7 +335,7 @@ tcindex_change(struct net *net, struct sk_buff *in_skb, { struct nlattr *opt = tca[TCA_OPTIONS]; struct nlattr *tb[TCA_TCINDEX_MAX + 1]; - struct tcindex_data *p = PRIV(tp); + struct tcindex_data *p = tp->root; struct tcindex_filter_result *r = (struct tcindex_filter_result *) *arg; int err; @@ -360,7 +357,7 @@ tcindex_change(struct net *net, struct sk_buff *in_skb, static void tcindex_walk(struct tcf_proto *tp, struct tcf_walker *walker) { - struct tcindex_data *p = PRIV(tp); + struct tcindex_data *p = tp->root; struct tcindex_filter *f, *next; int i; @@ -407,7 +404,7 @@ static int tcindex_destroy_element(struct tcf_proto *tp, static void tcindex_destroy(struct tcf_proto *tp) { - struct tcindex_data *p = PRIV(tp); + struct tcindex_data *p = tp->root; struct tcf_walker walker; pr_debug("tcindex_destroy(tp %p),p %p\n", tp, p); @@ -425,7 +422,7 @@ static void tcindex_destroy(struct tcf_proto *tp) static int tcindex_dump(struct net *net, struct tcf_proto *tp, unsigned long fh, struct sk_buff *skb, struct tcmsg *t) { - struct tcindex_data *p = PRIV(tp); + struct tcindex_data *p = tp->root; struct tcindex_filter_result *r = (struct tcindex_filter_result *) fh; unsigned char *b = skb_tail_pointer(skb); struct nlattr *nest; diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index f509b79..84c28da 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -95,7 +95,7 @@ static int u32_classify(struct sk_buff *skb, const struct tcf_proto *tp, struct unsigned int off; } stack[TC_U32_MAXDEPTH]; - struct tc_u_hnode *ht = (struct tc_u_hnode *)tp->root; + struct tc_u_hnode *ht = tp->root; unsigned int off = skb_network_offset(skb); struct tc_u_knode *n; int sdepth = 0; -- 2.7.4