tracing: Get rid of unneeded key calculation in ftrace_hash_move()

It's not used anywhere in the function.

Link: http://lkml.kernel.org/r/1365553093-10180-1-git-send-email-namhyung@kernel.org

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 0 insertions, 5 deletions

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 9e3198782507..3b84fc100788 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1320,7 +1320,6 @@ ftrace_hash_move(struct ftrace_ops *ops, int enable,
         struct hlist_head *hhd;
         struct ftrace_hash *old_hash;
         struct ftrace_hash *new_hash;
-        unsigned long key;
         int size = src->count;
         int bits = 0;
         int ret;
@@ -1363,10 +1362,6 @@ ftrace_hash_move(struct ftrace_ops *ops, int enable,
         for (i = 0; i < size; i++) {
                 hhd = &src->buckets[i];
                 hlist_for_each_entry_safe(entry, tp, tn, hhd, hlist) {
-                        if (bits > 0)
-                                key = hash_long(entry->ip, bits);
-                        else
-                                key = 0;
                         remove_hash_entry(src, entry);
                         __add_hash_entry(new_hash, entry);
                 }