mirror of
https://github.com/torvalds/linux.git
synced 2024-11-10 14:11:52 +00:00
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>
This commit is contained in:
parent
92b2dadaa6
commit
3cdb8e995e
@ -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)
|
Loading…
Reference in New Issue
Block a user