epoll: remove unneeded variable in reverse_path_check()

We never use the length variable.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 23c2207..629e9ed 100644 (file)
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1077,13 +1077,11 @@ static int reverse_path_check_proc(void *priv, void *cookie, int call_nests)
  */
 static int reverse_path_check(void)
 {
-       int length = 0;
        int error = 0;
        struct file *current_file;
 
        /* let's call this for all tfiles */
        list_for_each_entry(current_file, &tfile_check_list, f_tfile_llink) {
-               length++;
                path_count_init();
                error = ep_call_nested(&poll_loop_ncalls, EP_MAX_NESTS,
                                        reverse_path_check_proc, current_file,