mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
synced 2024-12-29 17:22:07 +00:00
105 lines
2.1 KiB
Plaintext
105 lines
2.1 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-only
|
|
/// Device node iterators put the previous value of the index variable, so an
|
|
/// explicit put causes a double put.
|
|
///
|
|
// Confidence: High
|
|
// Copyright: (C) 2015 Julia Lawall, Inria.
|
|
// URL: https://coccinelle.gitlabpages.inria.fr/website
|
|
// Options: --no-includes --include-headers
|
|
// Requires: 1.0.4
|
|
// Keywords: for_each_child_of_node, etc.
|
|
|
|
// This uses a conjunction, which requires at least coccinelle >= 1.0.4
|
|
|
|
virtual patch
|
|
virtual context
|
|
virtual org
|
|
virtual report
|
|
|
|
@r exists@
|
|
expression e1,e2;
|
|
local idexpression n;
|
|
iterator name for_each_node_by_name, for_each_node_by_type,
|
|
for_each_compatible_node, for_each_matching_node,
|
|
for_each_matching_node_and_match, for_each_child_of_node,
|
|
for_each_available_child_of_node, for_each_node_with_property;
|
|
iterator i;
|
|
position p1,p2;
|
|
statement S;
|
|
@@
|
|
|
|
(
|
|
(
|
|
for_each_node_by_name(n,e1) S
|
|
|
|
|
for_each_node_by_type(n,e1) S
|
|
|
|
|
for_each_compatible_node(n,e1,e2) S
|
|
|
|
|
for_each_matching_node(n,e1) S
|
|
|
|
|
for_each_matching_node_and_match(n,e1,e2) S
|
|
|
|
|
for_each_child_of_node(e1,n) S
|
|
|
|
|
for_each_available_child_of_node(e1,n) S
|
|
|
|
|
for_each_node_with_property(n,e1) S
|
|
)
|
|
&
|
|
i@p1(...) {
|
|
... when != of_node_get(n)
|
|
when any
|
|
of_node_put@p2(n);
|
|
... when any
|
|
}
|
|
)
|
|
|
|
@s exists@
|
|
local idexpression r.n;
|
|
statement S;
|
|
position r.p1,r.p2;
|
|
iterator i;
|
|
@@
|
|
|
|
of_node_put@p2(n);
|
|
... when any
|
|
i@p1(..., n, ...)
|
|
S
|
|
|
|
@t depends on s && patch && !context && !org && !report@
|
|
local idexpression n;
|
|
position r.p2;
|
|
@@
|
|
|
|
- of_node_put@p2(n);
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
@t_context depends on s && !patch && (context || org || report)@
|
|
local idexpression n;
|
|
position r.p2;
|
|
position j0;
|
|
@@
|
|
|
|
* of_node_put@j0@p2(n);
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
@script:python t_org depends on org@
|
|
j0 << t_context.j0;
|
|
@@
|
|
|
|
msg = "ERROR: probable double put."
|
|
coccilib.org.print_todo(j0[0], msg)
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
@script:python t_report depends on report@
|
|
j0 << t_context.j0;
|
|
@@
|
|
|
|
msg = "ERROR: probable double put."
|
|
coccilib.report.print_report(j0[0], msg)
|
|
|