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coccinelle: Add rules to find str_down_up() replacements

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As done with str_up_down(), add checks for str_down_up() opportunities.
5 cases currently exist in the tree.

Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240812183637.work.999-kees@kernel.org
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Kees Cook <kees@kernel.org>
This commit is contained in:
Kees Cook 2024-08-12 11:36:38 -07:00
parent f5c1ca3a15
commit 0336f89888
1 changed files with 23 additions and 0 deletions
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23
scripts/coccinelle/api/string_choices.cocci
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@ -62,3 +62,26 @@ e << str_up_down_r.E;
@@
coccilib.report.print_report(p[0], "opportunity for str_up_down(%s)" % e)
@str_down_up depends on patch@
expression E;
@@
(
- ((E) ? "down" : "up")
+ str_down_up(E)
)
@str_down_up_r depends on !patch exists@
expression E;
position P;
@@
(
* ((E@P) ? "down" : "up")
)
@script:python depends on report@
p << str_down_up_r.P;
e << str_down_up_r.E;
@@
coccilib.report.print_report(p[0], "opportunity for str_down_up(%s)" % e)