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linux-next/scripts/coccinelle/api/setup_timer.cocci
Vaishali Thakkar 531f50388f Coccinelle: setup_timer: Add space in front of parentheses
Add space in front of the offending parentheses to silent the
parse error for older Coccinelle versions. This makes the rule
usable with all Coccinelle versions.

Reported-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Fixes: c5eda8fd10 ("Coccinelle: Add api/setup_timer.cocci")
Signed-off-by: Michal Marek <mmarek@suse.com>
2016-04-20 09:50:53 +02:00

200 lines
4.4 KiB
Plaintext

/// Use setup_timer function instead of initializing timer with the function
/// and data fields
// Confidence: High
// Copyright: (C) 2016 Vaishali Thakkar, Oracle. GPLv2
// Options: --no-includes --include-headers
// Keywords: init_timer, setup_timer
virtual patch
virtual context
virtual org
virtual report
@match_immediate_function_data_after_init_timer
depends on patch && !context && !org && !report@
expression e, func, da;
@@
-init_timer (&e);
+setup_timer (&e, func, da);
(
-e.function = func;
-e.data = da;
|
-e.data = da;
-e.function = func;
)
@match_function_and_data_after_init_timer
depends on patch && !context && !org && !report@
expression e1, e2, e3, e4, e5, a, b;
@@
-init_timer (&e1);
+setup_timer (&e1, a, b);
... when != a = e2
when != b = e3
(
-e1.function = a;
... when != b = e4
-e1.data = b;
|
-e1.data = b;
... when != a = e5
-e1.function = a;
)
@r1 exists@
identifier f;
position p;
@@
f(...) { ... when any
init_timer@p(...)
... when any
}
@r2 exists@
identifier g != r1.f;
struct timer_list t;
expression e8;
@@
g(...) { ... when any
t.data = e8
... when any
}
// It is dangerous to use setup_timer if data field is initialized
// in another function.
@script:python depends on r2@
p << r1.p;
@@
cocci.include_match(False)
@r3 depends on patch && !context && !org && !report@
expression e6, e7, c;
position r1.p;
@@
-init_timer@p (&e6);
+setup_timer (&e6, c, 0UL);
... when != c = e7
-e6.function = c;
// ----------------------------------------------------------------------------
@match_immediate_function_data_after_init_timer_context
depends on !patch && (context || org || report)@
expression da, e, func;
position j0, j1, j2;
@@
* init_timer@j0 (&e);
(
* e@j1.function = func;
* e@j2.data = da;
|
* e@j1.data = da;
* e@j2.function = func;
)
@match_function_and_data_after_init_timer_context
depends on !patch &&
!match_immediate_function_data_after_init_timer_context &&
(context || org || report)@
expression a, b, e1, e2, e3, e4, e5;
position j0, j1, j2;
@@
* init_timer@j0 (&e1);
... when != a = e2
when != b = e3
(
* e1@j1.function = a;
... when != b = e4
* e1@j2.data = b;
|
* e1@j1.data = b;
... when != a = e5
* e1@j2.function = a;
)
@r3_context depends on !patch &&
!match_immediate_function_data_after_init_timer_context &&
!match_function_and_data_after_init_timer_context &&
(context || org || report)@
expression c, e6, e7;
position r1.p;
position j0, j1;
@@
* init_timer@j0@p (&e6);
... when != c = e7
* e6@j1.function = c;
// ----------------------------------------------------------------------------
@script:python match_immediate_function_data_after_init_timer_org
depends on org@
j0 << match_immediate_function_data_after_init_timer_context.j0;
j1 << match_immediate_function_data_after_init_timer_context.j1;
j2 << match_immediate_function_data_after_init_timer_context.j2;
@@
msg = "Use setup_timer function."
coccilib.org.print_todo(j0[0], msg)
coccilib.org.print_link(j1[0], "")
coccilib.org.print_link(j2[0], "")
@script:python match_function_and_data_after_init_timer_org depends on org@
j0 << match_function_and_data_after_init_timer_context.j0;
j1 << match_function_and_data_after_init_timer_context.j1;
j2 << match_function_and_data_after_init_timer_context.j2;
@@
msg = "Use setup_timer function."
coccilib.org.print_todo(j0[0], msg)
coccilib.org.print_link(j1[0], "")
coccilib.org.print_link(j2[0], "")
@script:python r3_org depends on org@
j0 << r3_context.j0;
j1 << r3_context.j1;
@@
msg = "Use setup_timer function."
coccilib.org.print_todo(j0[0], msg)
coccilib.org.print_link(j1[0], "")
// ----------------------------------------------------------------------------
@script:python match_immediate_function_data_after_init_timer_report
depends on report@
j0 << match_immediate_function_data_after_init_timer_context.j0;
j1 << match_immediate_function_data_after_init_timer_context.j1;
@@
msg = "Use setup_timer function for function on line %s." % (j1[0].line)
coccilib.report.print_report(j0[0], msg)
@script:python match_function_and_data_after_init_timer_report depends on report@
j0 << match_function_and_data_after_init_timer_context.j0;
j1 << match_function_and_data_after_init_timer_context.j1;
@@
msg = "Use setup_timer function for function on line %s." % (j1[0].line)
coccilib.report.print_report(j0[0], msg)
@script:python r3_report depends on report@
j0 << r3_context.j0;
j1 << r3_context.j1;
@@
msg = "Use setup_timer function for function on line %s." % (j1[0].line)
coccilib.report.print_report(j0[0], msg)