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Diffstat (limited to 'net/sched/ematch.c')
-rw-r--r--net/sched/ematch.c37
1 files changed, 23 insertions, 14 deletions
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 5e37da961f80..88d93eb92507 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -93,7 +93,7 @@
static LIST_HEAD(ematch_ops);
static DEFINE_RWLOCK(ematch_mod_lock);
-static inline struct tcf_ematch_ops * tcf_em_lookup(u16 kind)
+static struct tcf_ematch_ops *tcf_em_lookup(u16 kind)
{
struct tcf_ematch_ops *e = NULL;
@@ -163,8 +163,8 @@ void tcf_em_unregister(struct tcf_ematch_ops *ops)
}
EXPORT_SYMBOL(tcf_em_unregister);
-static inline struct tcf_ematch * tcf_em_get_match(struct tcf_ematch_tree *tree,
- int index)
+static inline struct tcf_ematch *tcf_em_get_match(struct tcf_ematch_tree *tree,
+ int index)
{
return &tree->matches[index];
}
@@ -184,7 +184,8 @@ static int tcf_em_validate(struct tcf_proto *tp,
if (em_hdr->kind == TCF_EM_CONTAINER) {
/* Special ematch called "container", carries an index
- * referencing an external ematch sequence. */
+ * referencing an external ematch sequence.
+ */
u32 ref;
if (data_len < sizeof(ref))
@@ -195,7 +196,8 @@ static int tcf_em_validate(struct tcf_proto *tp,
goto errout;
/* We do not allow backward jumps to avoid loops and jumps
- * to our own position are of course illegal. */
+ * to our own position are of course illegal.
+ */
if (ref <= idx)
goto errout;
@@ -208,7 +210,8 @@ static int tcf_em_validate(struct tcf_proto *tp,
* which automatically releases the reference again, therefore
* the module MUST not be given back under any circumstances
* here. Be aware, the destroy function assumes that the
- * module is held if the ops field is non zero. */
+ * module is held if the ops field is non zero.
+ */
em->ops = tcf_em_lookup(em_hdr->kind);
if (em->ops == NULL) {
@@ -221,7 +224,8 @@ static int tcf_em_validate(struct tcf_proto *tp,
if (em->ops) {
/* We dropped the RTNL mutex in order to
* perform the module load. Tell the caller
- * to replay the request. */
+ * to replay the request.
+ */
module_put(em->ops->owner);
err = -EAGAIN;
}
@@ -230,7 +234,8 @@ static int tcf_em_validate(struct tcf_proto *tp,
}
/* ematch module provides expected length of data, so we
- * can do a basic sanity check. */
+ * can do a basic sanity check.
+ */
if (em->ops->datalen && data_len < em->ops->datalen)
goto errout;
@@ -246,7 +251,8 @@ static int tcf_em_validate(struct tcf_proto *tp,
* TCF_EM_SIMPLE may be specified stating that the
* data only consists of a u32 integer and the module
* does not expected a memory reference but rather
- * the value carried. */
+ * the value carried.
+ */
if (em_hdr->flags & TCF_EM_SIMPLE) {
if (data_len < sizeof(u32))
goto errout;
@@ -334,7 +340,8 @@ int tcf_em_tree_validate(struct tcf_proto *tp, struct nlattr *nla,
* The array of rt attributes is parsed in the order as they are
* provided, their type must be incremental from 1 to n. Even
* if it does not serve any real purpose, a failure of sticking
- * to this policy will result in parsing failure. */
+ * to this policy will result in parsing failure.
+ */
for (idx = 0; nla_ok(rt_match, list_len); idx++) {
err = -EINVAL;
@@ -359,7 +366,8 @@ int tcf_em_tree_validate(struct tcf_proto *tp, struct nlattr *nla,
/* Check if the number of matches provided by userspace actually
* complies with the array of matches. The number was used for
* the validation of references and a mismatch could lead to
- * undefined references during the matching process. */
+ * undefined references during the matching process.
+ */
if (idx != tree_hdr->nmatches) {
err = -EINVAL;
goto errout_abort;
@@ -449,7 +457,7 @@ int tcf_em_tree_dump(struct sk_buff *skb, struct tcf_ematch_tree *tree, int tlv)
.flags = em->flags
};
- NLA_PUT(skb, i+1, sizeof(em_hdr), &em_hdr);
+ NLA_PUT(skb, i + 1, sizeof(em_hdr), &em_hdr);
if (em->ops && em->ops->dump) {
if (em->ops->dump(skb, em) < 0)
@@ -478,6 +486,7 @@ static inline int tcf_em_match(struct sk_buff *skb, struct tcf_ematch *em,
struct tcf_pkt_info *info)
{
int r = em->ops->match(skb, em, info);
+
return tcf_em_is_inverted(em) ? !r : r;
}
@@ -527,8 +536,8 @@ pop_stack:
stack_overflow:
if (net_ratelimit())
- printk(KERN_WARNING "tc ematch: local stack overflow,"
- " increase NET_EMATCH_STACK\n");
+ pr_warning("tc ematch: local stack overflow,"
+ " increase NET_EMATCH_STACK\n");
return -1;
}
EXPORT_SYMBOL(__tcf_em_tree_match);