Unverified Commit 5c21c5f2 authored by Christian Brauner's avatar Christian Brauner
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cleanup: add a scoped version of CLASS() 



This will make it possible to use:

scoped_class() {
}

constructs to limit variables to certain scopes and still perform
auto-cleanup.

Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent a6ed5691

include/linux/cleanup.h

+8 −0
Original line number Diff line number Diff line
@@ -277,6 +277,14 @@ static inline class_##_name##_t class_##_name##ext##_constructor(_init_args) \ 
	class_##_name##_t var __cleanup(class_##_name##_destructor) =	\

		class_##_name##_constructor



#define scoped_class(_name, var, args)                          \

	for (CLASS(_name, var)(args);                           \

	     __guard_ptr(_name)(&var) || !__is_cond_ptr(_name); \

	     ({ goto _label; }))                                \

		if (0) {                                        \

_label:                                                         \

			break;                                  \

		} else



/*

 * DEFINE_GUARD(name, type, lock, unlock):