Fixes the following sparse warnings:
net/sctp/sm_make_chunk.c:1457:9: warning: symbol 'len' shadows an earlier one
net/sctp/sm_make_chunk.c:1356:23: originally declared here
net/sctp/socket.c:1534:22: warning: symbol 'chunk' shadows an earlier one
net/sctp/socket.c:1387:20: originally declared here
Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
                do_gettimeofday(&tv);
 
        if (!asoc && tv_lt(bear_cookie->expiration, tv)) {
-               __u16 len;
                /*
                 * Section 3.3.10.3 Stale Cookie Error (3)
                 *
 
                        goto out_unlock;
                }
                if (sinfo_flags & SCTP_ABORT) {
-                       struct sctp_chunk *chunk;
 
                        chunk = sctp_make_abort_user(asoc, msg, msg_len);
                        if (!chunk) {