Merge branch 'master' of git://1984.lsi.us.es/nf

[cascardo/linux.git] / kernel / trace / ftrace.c

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 98ca94a..ab25b88 100644 (file)
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -762,7 +762,6 @@ ftrace_find_profiled_func(struct ftrace_profile_stat *stat, unsigned long ip)
 {
        struct ftrace_profile *rec;
        struct hlist_head *hhd;
-       struct hlist_node *n;
        unsigned long key;
 
        key = hash_long(ip, ftrace_profile_bits);
@@ -771,7 +770,7 @@ ftrace_find_profiled_func(struct ftrace_profile_stat *stat, unsigned long ip)
        if (hlist_empty(hhd))
                return NULL;
 
-       hlist_for_each_entry_rcu(rec, n, hhd, node) {
+       hlist_for_each_entry_rcu(rec, hhd, node) {
                if (rec->ip == ip)
                        return rec;
        }
@@ -1133,7 +1132,6 @@ ftrace_lookup_ip(struct ftrace_hash *hash, unsigned long ip)
        unsigned long key;
        struct ftrace_func_entry *entry;
        struct hlist_head *hhd;
-       struct hlist_node *n;
 
        if (ftrace_hash_empty(hash))
                return NULL;
@@ -1145,7 +1143,7 @@ ftrace_lookup_ip(struct ftrace_hash *hash, unsigned long ip)
 
        hhd = &hash->buckets[key];
 
-       hlist_for_each_entry_rcu(entry, n, hhd, hlist) {
+       hlist_for_each_entry_rcu(entry, hhd, hlist) {
                if (entry->ip == ip)
                        return entry;
        }
@@ -1202,7 +1200,7 @@ remove_hash_entry(struct ftrace_hash *hash,
 static void ftrace_hash_clear(struct ftrace_hash *hash)
 {
        struct hlist_head *hhd;
-       struct hlist_node *tp, *tn;
+       struct hlist_node *tn;
        struct ftrace_func_entry *entry;
        int size = 1 << hash->size_bits;
        int i;
@@ -1212,7 +1210,7 @@ static void ftrace_hash_clear(struct ftrace_hash *hash)
 
        for (i = 0; i < size; i++) {
                hhd = &hash->buckets[i];
-               hlist_for_each_entry_safe(entry, tp, tn, hhd, hlist)
+               hlist_for_each_entry_safe(entry, tn, hhd, hlist)
                        free_hash_entry(hash, entry);
        }
        FTRACE_WARN_ON(hash->count);
@@ -1275,7 +1273,6 @@ alloc_and_copy_ftrace_hash(int size_bits, struct ftrace_hash *hash)
 {
        struct ftrace_func_entry *entry;
        struct ftrace_hash *new_hash;
-       struct hlist_node *tp;
        int size;
        int ret;
        int i;
@@ -1290,7 +1287,7 @@ alloc_and_copy_ftrace_hash(int size_bits, struct ftrace_hash *hash)
 
        size = 1 << hash->size_bits;
        for (i = 0; i < size; i++) {
-               hlist_for_each_entry(entry, tp, &hash->buckets[i], hlist) {
+               hlist_for_each_entry(entry, &hash->buckets[i], hlist) {
                        ret = add_hash_entry(new_hash, entry->ip);
                        if (ret < 0)
                                goto free_hash;
@@ -1316,7 +1313,7 @@ ftrace_hash_move(struct ftrace_ops *ops, int enable,
                 struct ftrace_hash **dst, struct ftrace_hash *src)
 {
        struct ftrace_func_entry *entry;
-       struct hlist_node *tp, *tn;
+       struct hlist_node *tn;
        struct hlist_head *hhd;
        struct ftrace_hash *old_hash;
        struct ftrace_hash *new_hash;
@@ -1362,7 +1359,7 @@ ftrace_hash_move(struct ftrace_ops *ops, int enable,
        size = 1 << src->size_bits;
        for (i = 0; i < size; i++) {
                hhd = &src->buckets[i];
-               hlist_for_each_entry_safe(entry, tp, tn, hhd, hlist) {
+               hlist_for_each_entry_safe(entry, tn, hhd, hlist) {
                        if (bits > 0)
                                key = hash_long(entry->ip, bits);
                        else
@@ -2901,7 +2898,6 @@ static void function_trace_probe_call(unsigned long ip, unsigned long parent_ip,
 {
        struct ftrace_func_probe *entry;
        struct hlist_head *hhd;
-       struct hlist_node *n;
        unsigned long key;
 
        key = hash_long(ip, FTRACE_HASH_BITS);
@@ -2917,7 +2913,7 @@ static void function_trace_probe_call(unsigned long ip, unsigned long parent_ip,
         * on the hash. rcu_read_lock is too dangerous here.
         */
        preempt_disable_notrace();
-       hlist_for_each_entry_rcu(entry, n, hhd, node) {
+       hlist_for_each_entry_rcu(entry, hhd, node) {
                if (entry->ip == ip)
                        entry->ops->func(ip, parent_ip, &entry->data);
        }
@@ -3068,7 +3064,7 @@ __unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
                                  void *data, int flags)
 {
        struct ftrace_func_probe *entry;
-       struct hlist_node *n, *tmp;
+       struct hlist_node *tmp;
        char str[KSYM_SYMBOL_LEN];
        int type = MATCH_FULL;
        int i, len = 0;
@@ -3091,7 +3087,7 @@ __unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
        for (i = 0; i < FTRACE_FUNC_HASHSIZE; i++) {
                struct hlist_head *hhd = &ftrace_func_hash[i];
 
-               hlist_for_each_entry_safe(entry, n, tmp, hhd, node) {
+               hlist_for_each_entry_safe(entry, tmp, hhd, node) {
 
                        /* break up if statements for readability */
                        if ((flags & PROBE_TEST_FUNC) && entry->ops != ops)