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| author |   Masahiro Yamada <masahiroy@kernel.org> | 2025-01-14 00:00:46 +0900 |
|---|---|---|
| committer | Masahiro Yamada <masahiroy@kernel.org> | 2025-01-18 09:11:46 +0900 |
| commit | aa710cee0d677043f49a447c4665df51a553a2ba (patch) | |
| tree | 7fc392abc768492cec41f2fd920131edc49d7259 | |
| parent | genksyms: restrict direct-abstract-declarator to take one parameter-type-list (diff) | |
| download | wireguard-linux-aa710cee0d677043f49a447c4665df51a553a2ba.tar.xz wireguard-linux-aa710cee0d677043f49a447c4665df51a553a2ba.zip | |
genksyms: restrict direct-declarator to take one parameter-type-list
Similar to the previous commit, this change makes the parser logic a
little more accurate.
Currently, genksyms accepts the following invalid code:
struct foo {
int (*callback)(int)(int)(int);
};
A direct-declarator should not recursively absorb multiple
( parameter-type-list ) constructs.
In the example above, (*callback) should be followed by at most one
(int).
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Nicolas Schier <n.schier@avm.de>
Diffstat (limited to '')
| -rw-r--r-- | scripts/genksyms/parse.y | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/scripts/genksyms/parse.y b/scripts/genksyms/parse.y index 03cdd8d53c13..33a6aab53b69 100644 --- a/scripts/genksyms/parse.y +++ b/scripts/genksyms/parse.y @@ -331,12 +331,16 @@ nested_declarator: ; direct_nested_declarator: - IDENT { $$ = $1; dont_want_type_specifier = false; } - | direct_nested_declarator '(' parameter_declaration_clause ')' + direct_nested_declarator1 + | direct_nested_declarator1 '(' parameter_declaration_clause ')' { $$ = $4; } - | direct_nested_declarator '(' error ')' + ; + +direct_nested_declarator1: + IDENT { $$ = $1; dont_want_type_specifier = false; } + | direct_nested_declarator1 '(' error ')' { $$ = $4; } - | direct_nested_declarator BRACKET_PHRASE + | direct_nested_declarator1 BRACKET_PHRASE { $$ = $2; } | '(' nested_declarator ')' { $$ = $3; } |