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    Subject[PATCH 01/18] Coccinelle: Add null/eno.cocci
    Date
    The various basic memory allocation functions don't return ERR_PTR

    Signed-off-by: Nicolas Palix <npalix@diku.dk>
    Signed-off-by: Julia Lawall <julia@diku.dk>
    ---
    scripts/coccinelle/null/eno.cocci | 20 ++++++++++++++++++++
    1 files changed, 20 insertions(+), 0 deletions(-)
    create mode 100644 scripts/coccinelle/null/eno.cocci

    diff --git a/scripts/coccinelle/null/eno.cocci b/scripts/coccinelle/null/eno.cocci
    new file mode 100644
    index 0000000..4c9c52b
    --- /dev/null
    +++ b/scripts/coccinelle/null/eno.cocci
    @@ -0,0 +1,20 @@
    +/// The various basic memory allocation functions don't return ERR_PTR
    +///
    +// Confidence: High
    +// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2.
    +// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2.
    +// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2.
    +// URL: http://coccinelle.lip6.fr/
    +// Comments:
    +// Options: -no_includes -include_headers
    +
    +virtual patch
    +
    +@@
    +expression x,E;
    +@@
    +
    +x = \(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...)
    +... when != x = E
    +- IS_ERR(x)
    ++ !x
    --
    1.7.0.4


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