Messages in this thread Patch in this message | | | From | Vinicius Costa Gomes <> | Subject | [RFC v3 1/5] cleanup: Fix discarded const warning when defining lock guard | Date | Thu, 15 Feb 2024 21:16:36 -0800 |
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Fix the following warning when defining a cleanup guard for a "const" pointer type:
/include/linux/cleanup.h:211:18: warning: return discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers] 211 | return _T->lock; \ | ~~^~~~~~ /include/linux/cleanup.h:233:1: note: in expansion of macro ‘__DEFINE_UNLOCK_GUARD’ 233 | __DEFINE_UNLOCK_GUARD(_name, _type, _unlock, __VA_ARGS__) \ | ^~~~~~~~~~~~~~~~~~~~~ /include/linux/cred.h:193:1: note: in expansion of macro ‘DEFINE_LOCK_GUARD_1’ 193 | DEFINE_LOCK_GUARD_1(cred, const struct cred, _T->lock = override_creds_light(_T->lock), | ^~~~~~~~~~~~~~~~~~~
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> --- include/linux/cleanup.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/cleanup.h b/include/linux/cleanup.h index c2d09bc4f976..085482ef46c8 100644 --- a/include/linux/cleanup.h +++ b/include/linux/cleanup.h @@ -208,7 +208,7 @@ static inline void class_##_name##_destructor(class_##_name##_t *_T) \ \ static inline void *class_##_name##_lock_ptr(class_##_name##_t *_T) \ { \ - return _T->lock; \ + return (void *)_T->lock; \ } -- 2.43.1
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