[PATCH for v3.13 0/7] create_flow/destroy_flow fixes for v3.13

[Yann Droneaud <ydroneaud-RlY5vtjFyJ3QT0dZR+AlfA@public.gmane.org>]

Hi,

Please find a patchset against create_flow/destroy_flow and
associated extended command scheme.

These are fixes that must be applied before making the new uverbs
widely available.

This patchset gather some patches already sent independently:
- The first two patches were already sent[1] to address a warning
  reported by sparse.
- The next patch was already sent[2] to handle an uncommon type
  of extended command.

The three patches ensure that commands will be extensible:
- One patch add a missing check of comp_mask
- Two patches add checks on reserved fields
  following advice from an article read today[3].

The last patches fix an error path.

Please review and apply for v3.13.

Regards.

[1] [PATCH for-next 0/2] Fix "drivers/infiniband/core/uverbs_main.c:683:17: sparse: Using plain integer as NULL pointer" warning
    http://marc.info/?i=cover.1384869925.git.ydroneaud-RlY5vtjFyJ3QT0dZR+AlfA@public.gmane.org

[2] [PATCH for-next] IB/uverbs: set ucore.outbuf to NULL if core response space is omitted
    http://marc.info/?i=1384872527-26154-1-git-send-email-ydroneaud-RlY5vtjFyJ3QT0dZR+AlfA@public.gmane.org

[3] "Botching up ioctls" by Daniel Vetter
    http://blog.ffwll.ch/2013/11/botching-up-ioctls.html

Yann Droneaud (7):
  IB/core: const'ify inbuf in struct ib_udata
  IB/uverbs: remove implicit cast in INIT_UDATA()
  IB/uverbs: set outbuf to NULL when no core response space is provided
  IB/uverbs: check reserved field in extended command header
  IB/uverbs: check comp_mask in destroy_flow
  IB/uverbs: check reserved fields in create_flow
  IB/uverbs: set error code when fail to consume all flow_spec items

 drivers/infiniband/core/uverbs.h      | 12 ++++++------
 drivers/infiniband/core/uverbs_cmd.c  | 31 +++++++++++++++++++++----------
 drivers/infiniband/core/uverbs_main.c | 16 +++++++++++-----
 include/rdma/ib_verbs.h               |  2 +-
 4 files changed, 39 insertions(+), 22 deletions(-)

-- 
1.8.4.2

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