函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\kref.h Create Date:2022-07-27 06:45:11
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：kref_get_unless_zero - Increment refcount for object unless it is zero

函数原型：static inline int __must_check kref_get_unless_zero(struct kref *kref)

返回类型：int

参数：

类型参数名称
struct kref *kref
111  返回:_inc_not_zero - increment a refcount unless it is 0*@r: the refcount to increment* Similar to atomic_inc_not_zero(), but will saturate at REFCOUNT_SATURATED* and WARN.* Provides no memory ordering, it is assumed the caller has guaranteed the
调用者
名称描述
kobject_get_unless_zero
klist_iter_init_node初始化klist_iter结构
zswap_pool_get
__zswap_pool_release
bsg_job_get
tty_port_get
__aa_get_label__aa_get_label - get a reference count to uncounted label reference*@l: reference to get a count on* Returns: pointer to reference OR NULL if race is lost and reference is* being repeated.* Requires: lock held, and the return code MUST be checked
aa_get_label_rcuaa_get_label_rcu - increment refcount on a label that can be replaced*@l: pointer to label that can be replaced (NOT NULL)* Returns: pointer to a refcounted label.* else NULL if no label
aa_get_profile_not0aa_get_profile_not0 - increment refcount on profile @p found via lookup*@p: profile (MAYBE NULL)* Returns: pointer to @p if @p is NULL will return NULL* Requires: @p must be held with valid refcount when called
aa_get_profile_rcuaa_get_profile_rcu - increment a refcount profile that can be replaced*@p: pointer to profile that can be replaced (NOT NULL)* Returns: pointer to a refcounted profile.* else NULL if no profile
__aa_get_loaddata__aa_get_loaddata - get a reference count to uncounted data reference*@data: reference to get a count on* Returns: pointer to reference OR NULL if race is lost and reference is* being repeated