[PATCH 0/4] Add a Coccinelle front-end script

[Nicolas Palix]

New targets are added (coccicheck-<mode>) to call the 'coccinelle.sh' front-end
in the 'scripts' directory with the <mode> argument.

Four modes are defined: report, patch, context, and org.

'report' mode generates a list in the following format:
  file:line:column-column: message

'patch' mode proposes a generic fix, when possible.

'context' mode highlights lines of interest and their context
in a diff-like style.

'org' mode generates a report in the Org mode format of Emacs.

Three semantic patches, with a low rate of false positives, are also
included.  Other semantic patches will be provided later. Note that a
semantic patch does not need to define all four modes. As many semantic
patches may be proposed later, they are organized under sub-directories
of 'scripts/coccinelle/'.

We add a reference to the tool in the proposed changelog because it will
make the changelog easier to understand for someone who is not aware of
the tool.

To apply a single semantic patch, the user can define the COCCI environment
variable which gives the path to the semantic patch.

Nicolas Palix (4):
  Add targets to use the Coccinelle checker
  Add scripts/coccinelle/drop_kmalloc_cast.cocci
  Add scripts/coccinelle/kzalloc-simple.cocci
  Add scripts/coccinelle/resource_size.cocci

 MAINTAINERS                                |   10 +++
 Makefile                                   |   20 +++++-
 scripts/coccinelle.sh                      |   28 ++++++++
 scripts/coccinelle/drop_kmalloc_cast.cocci |   68 ++++++++++++++++++++
 scripts/coccinelle/kzalloc-simple.cocci    |   83 ++++++++++++++++++++++++
 scripts/coccinelle/resource_size.cocci     |   94 ++++++++++++++++++++++++++++
 6 files changed, 301 insertions(+), 2 deletions(-)
 create mode 100755 scripts/coccinelle.sh
 create mode 100644 scripts/coccinelle/drop_kmalloc_cast.cocci
 create mode 100644 scripts/coccinelle/kzalloc-simple.cocci
 create mode 100644 scripts/coccinelle/resource_size.cocci

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