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authorJulia Lawall <Julia.Lawall@inria.fr>2021-12-26 13:36:48 +0300
committerJulia Lawall <Julia.Lawall@inria.fr>2022-01-15 14:15:35 +0300
commit3cdb8e995ee2e393b66d2abe156b90475009ec41 (patch)
treef6f95e70c9fa749e5f07228c83333831992094a7 /scripts/coccinelle
parent92b2dadaa624d69465dd94ce3d0f30fc2f70170e (diff)
downloadlinux-3cdb8e995ee2e393b66d2abe156b90475009ec41.tar.xz
drop fen.cocci
This semantic patch does not take into account the fact that of_node_put can be safely applied to NULL. Thus it gives only false positives. Drop it. Reported-by: Qing Wang <wangqing@vivo.com> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Diffstat (limited to 'scripts/coccinelle')
-rw-r--r--scripts/coccinelle/iterators/fen.cocci124
1 files changed, 0 insertions, 124 deletions
diff --git a/scripts/coccinelle/iterators/fen.cocci b/scripts/coccinelle/iterators/fen.cocci
deleted file mode 100644
index b69f9665f4fb..000000000000
--- a/scripts/coccinelle/iterators/fen.cocci
+++ /dev/null
@@ -1,124 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/// These iterators only exit normally when the loop cursor is NULL, so there
-/// is no point to call of_node_put on the final value.
-///
-// Confidence: High
-// Copyright: (C) 2010-2012 Nicolas Palix.
-// Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6.
-// Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6.
-// URL: http://coccinelle.lip6.fr/
-// Comments:
-// Options: --no-includes --include-headers
-
-virtual patch
-virtual context
-virtual org
-virtual report
-
-@depends on patch@
-iterator name for_each_node_by_name;
-expression np,E;
-identifier l;
-@@
-
-for_each_node_by_name(np,...) {
- ... when != break;
- when != goto l;
-}
-... when != np = E
-- of_node_put(np);
-
-@depends on patch@
-iterator name for_each_node_by_type;
-expression np,E;
-identifier l;
-@@
-
-for_each_node_by_type(np,...) {
- ... when != break;
- when != goto l;
-}
-... when != np = E
-- of_node_put(np);
-
-@depends on patch@
-iterator name for_each_compatible_node;
-expression np,E;
-identifier l;
-@@
-
-for_each_compatible_node(np,...) {
- ... when != break;
- when != goto l;
-}
-... when != np = E
-- of_node_put(np);
-
-@depends on patch@
-iterator name for_each_matching_node;
-expression np,E;
-identifier l;
-@@
-
-for_each_matching_node(np,...) {
- ... when != break;
- when != goto l;
-}
-... when != np = E
-- of_node_put(np);
-
-// ----------------------------------------------------------------------
-
-@r depends on !patch forall@
-//iterator name for_each_node_by_name;
-//iterator name for_each_node_by_type;
-//iterator name for_each_compatible_node;
-//iterator name for_each_matching_node;
-expression np,E;
-identifier l;
-position p1,p2;
-@@
-
-(
-*for_each_node_by_name@p1(np,...)
-{
- ... when != break;
- when != goto l;
-}
-|
-*for_each_node_by_type@p1(np,...)
-{
- ... when != break;
- when != goto l;
-}
-|
-*for_each_compatible_node@p1(np,...)
-{
- ... when != break;
- when != goto l;
-}
-|
-*for_each_matching_node@p1(np,...)
-{
- ... when != break;
- when != goto l;
-}
-)
-... when != np = E
-* of_node_put@p2(np);
-
-@script:python depends on org@
-p1 << r.p1;
-p2 << r.p2;
-@@
-
-cocci.print_main("unneeded of_node_put",p2)
-cocci.print_secs("iterator",p1)
-
-@script:python depends on report@
-p1 << r.p1;
-p2 << r.p2;
-@@
-
-msg = "ERROR: of_node_put not needed after iterator on line %s" % (p1[0].line)
-coccilib.report.print_report(p2[0], msg)