On 7/13/16 12:47 PM, Phil Sutter wrote:
This big patch was compiled by vimgrepping for memset calls and changing
to C99 initializer if applicable. One notable exception is the
initialization of union bpf_attr in tc/tc_bpf.c: changing it would break
for older gcc versions (at least <=3.4.6).

Calls to memset for struct rtattr pointer fields for parse_rtattr*()
were just dropped since they are not needed.

The changes here allowed the compiler to discover some unused variables,
so get rid of them, too.

Signed-off-by: Phil Sutter <p...@nwl.cc>
---
Changes since v3:
- Use empty instead of zero initializer.
Changes since v2:
- Flatten initializers.
- Leave a final comma in place.
- Fix checkpatch warnings.
- Initialize nlmsg_seq in the declaration, too.
- Use C99-style init in tc_bpf.c to get rid of the memset().
Changes since v1:
- Dropped former changes to tc/tc_bpf.c as they are incompatible to older
  gcc versions (at least <=3.4.6).
---
 bridge/fdb.c     |  25 ++++++-------
 bridge/link.c    |  14 +++----
 bridge/mdb.c     |  17 ++++-----
 bridge/vlan.c    |  17 ++++-----
 genl/ctrl.c      |  44 +++++++++-------------
 ip/ip6tunnel.c   |  10 ++---
 ip/ipaddress.c   |  31 +++++++---------
 ip/ipaddrlabel.c |  21 ++++-------
 ip/iplink.c      |  61 +++++++++++++-----------------
 ip/iplink_can.c  |   4 +-
 ip/ipmaddr.c     |  25 ++++---------
 ip/ipmroute.c    |   8 +---
 ip/ipneigh.c     |  30 ++++++---------
 ip/ipnetconf.c   |  10 ++---
 ip/ipnetns.c     |  39 +++++++++-----------
 ip/ipntable.c    |  25 ++++---------
 ip/iproute.c     |  78 ++++++++++++++-------------------------
 ip/iprule.c      |  22 +++++------
 ip/iptoken.c     |  19 ++++------
 ip/iptunnel.c    |  31 +++++-----------
 ip/ipxfrm.c      |  26 ++++---------
 ip/link_gre.c    |  18 ++++-----
 ip/link_gre6.c   |  18 ++++-----
 ip/link_ip6tnl.c |  25 +++++--------
 ip/link_iptnl.c  |  22 +++++------
 ip/link_vti.c    |  18 ++++-----
 ip/link_vti6.c   |  18 ++++-----
 ip/xfrm_policy.c |  99 ++++++++++++++++++++-----------------------------
 ip/xfrm_state.c  | 110 +++++++++++++++++++++++--------------------------------
 lib/libnetlink.c |  77 ++++++++++++++------------------------
 lib/ll_map.c     |   1 -
 misc/arpd.c      |  64 ++++++++++++++------------------
 misc/ss.c        |  37 +++++++------------
 tc/e_bpf.c       |   7 +---
 tc/em_cmp.c      |   4 +-
 tc/em_ipset.c    |   4 +-
 tc/em_meta.c     |   4 +-
 tc/em_nbyte.c    |   4 +-
 tc/em_u32.c      |   4 +-
 tc/f_flow.c      |   3 --
 tc/f_flower.c    |   3 +-
 tc/f_fw.c        |   6 +--
 tc/f_route.c     |   3 --
 tc/f_rsvp.c      |   6 +--
 tc/f_u32.c       |  12 ++----
 tc/m_bpf.c       |   5 +--
 tc/m_csum.c      |   4 +-
 tc/m_ematch.c    |   4 +-
 tc/m_gact.c      |   5 +--
 tc/m_ife.c       |   5 +--
 tc/m_mirred.c    |   7 +---
 tc/m_nat.c       |   4 +-
 tc/m_pedit.c     |   8 +---
 tc/m_police.c    |   5 +--
 tc/q_atm.c       |   3 +-
 tc/q_cbq.c       |  22 +++--------
 tc/q_choke.c     |   4 +-
 tc/q_codel.c     |   3 +-
 tc/q_dsmark.c    |   1 -
 tc/q_fifo.c      |   4 +-
 tc/q_fq_codel.c  |   3 +-
 tc/q_hfsc.c      |  13 ++-----
 tc/q_htb.c       |  15 +++-----
 tc/q_netem.c     |  16 +++-----
 tc/q_red.c       |   4 +-
 tc/q_sfb.c       |  17 ++++-----
 tc/q_sfq.c       |   4 +-
 tc/q_tbf.c       |   4 +-
 tc/tc_bpf.c      |  54 ++++++++++-----------------
 tc/tc_class.c    |  31 ++++++----------
 tc/tc_exec.c     |   3 +-
 tc/tc_filter.c   |  33 ++++++-----------
 tc/tc_qdisc.c    |  33 ++++++-----------
 tc/tc_stab.c     |   4 +-
 tc/tc_util.c     |   3 +-
 75 files changed, 532 insertions(+), 913 deletions(-)


Really good cleanup. Thanks for taking the time to do it.

Acked-by: David Ahern <d...@cumulusnetworks.com>

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