diff options
Diffstat (limited to 'scripts/coccinelle')
-rw-r--r-- | scripts/coccinelle/api/pm_runtime.cocci | 2 | ||||
-rw-r--r-- | scripts/coccinelle/api/setup_timer.cocci | 199 | ||||
-rw-r--r-- | scripts/coccinelle/misc/array_size.cocci | 2 | ||||
-rw-r--r-- | scripts/coccinelle/misc/badty.cocci | 2 | ||||
-rw-r--r-- | scripts/coccinelle/misc/bugon.cocci | 2 |
5 files changed, 203 insertions, 4 deletions
diff --git a/scripts/coccinelle/api/pm_runtime.cocci b/scripts/coccinelle/api/pm_runtime.cocci index b7042d074..89b98a2f7 100644 --- a/scripts/coccinelle/api/pm_runtime.cocci +++ b/scripts/coccinelle/api/pm_runtime.cocci @@ -78,7 +78,7 @@ ret = pm_runtime_api(...); // For org and report mode //---------------------------------------------------------- -@r depends on runtime_bad_err_handle exists@ +@r depends on runtime_bad_err_handle && (org || report) exists@ position p1, p2; identifier pm_runtime_api; expression ret; diff --git a/scripts/coccinelle/api/setup_timer.cocci b/scripts/coccinelle/api/setup_timer.cocci new file mode 100644 index 000000000..8ee0ac30e --- /dev/null +++ b/scripts/coccinelle/api/setup_timer.cocci @@ -0,0 +1,199 @@ +/// 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) diff --git a/scripts/coccinelle/misc/array_size.cocci b/scripts/coccinelle/misc/array_size.cocci index 81e279cd3..6ec05710b 100644 --- a/scripts/coccinelle/misc/array_size.cocci +++ b/scripts/coccinelle/misc/array_size.cocci @@ -59,7 +59,7 @@ T[] E; // For org and report mode //---------------------------------------------------------- -@r@ +@r depends on (org || report)@ type T; T[] E; position p; diff --git a/scripts/coccinelle/misc/badty.cocci b/scripts/coccinelle/misc/badty.cocci index 2fc06fc71..481cf301c 100644 --- a/scripts/coccinelle/misc/badty.cocci +++ b/scripts/coccinelle/misc/badty.cocci @@ -50,7 +50,7 @@ T **x; // For org and report mode //---------------------------------------------------------- -@r disable sizeof_type_expr@ +@r depends on (org || report) disable sizeof_type_expr@ type T; T **x; position p; diff --git a/scripts/coccinelle/misc/bugon.cocci b/scripts/coccinelle/misc/bugon.cocci index 27c97f1f2..741586094 100644 --- a/scripts/coccinelle/misc/bugon.cocci +++ b/scripts/coccinelle/misc/bugon.cocci @@ -40,7 +40,7 @@ expression e; // For org and report mode //---------------------------------------------------------- -@r@ +@r depends on (org || report)@ expression e; position p; @@ |