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| author | FUJITA Tomonori <fujita.tomonori@gmail.com> | 2025-12-23 20:35:38 +0900 |
|---|---|---|
| committer | Miguel Ojeda <ojeda@kernel.org> | 2026-01-04 23:51:35 +0100 |
| commit | c18f35e4904920db4c51620ba634e4d175b24741 (patch) | |
| tree | 4db22705c3b1b4cfd6bcf255ea0281e8d854c0f2 /tools/objtool | |
| parent | f1db6538794f5af081940850a7976319d376110a (diff) | |
objtool/rust: add one more `noreturn` Rust function
Fix the following warning:
rust/kernel.o: warning: objtool: _RNvXNtNtCs1ewLyjEZ7Le_6kernel3str9parse_intaNtNtB2_7private12FromStrRadix14from_str_radix()
falls through to next function _RNvXNtNtCs1ewLyjEZ7Le_6kernel3str9parse_intaNtNtB2_7private12FromStrRadix16from_u64_negated()
The commit 51d9ee90ea90 ("rust: str: add radix prefixed integer
parsing functions") introduces u64::from_str_radix(), whose
implementation contains a panic path for out-of-range radix values.
The panic helper is core::num::from_ascii_radix_panic().
Note that radix is derived from strip_radix() here and is always
within the valid range, so kernel never panics.
Fixes: 51d9ee90ea90 ("rust: str: add radix prefixed integer parsing functions")
Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Tested-by: Alice Ryhl <aliceryhl@google.com>
Link: https://patch.msgid.link/20251223113538.1016078-1-fujita.tomonori@gmail.com
[ Reworded typo. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Diffstat (limited to 'tools/objtool')
| -rw-r--r-- | tools/objtool/check.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 3f7999317f4d..719ec727efd4 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -197,7 +197,8 @@ static bool is_rust_noreturn(const struct symbol *func) * as well as changes to the source code itself between versions (since * these come from the Rust standard library). */ - return str_ends_with(func->name, "_4core5sliceSp15copy_from_slice17len_mismatch_fail") || + return str_ends_with(func->name, "_4core3num22from_ascii_radix_panic") || + str_ends_with(func->name, "_4core5sliceSp15copy_from_slice17len_mismatch_fail") || str_ends_with(func->name, "_4core6option13expect_failed") || str_ends_with(func->name, "_4core6option13unwrap_failed") || str_ends_with(func->name, "_4core6result13unwrap_failed") || |