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apparmor: cleanup unused functions in file.h

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After changes in commit 33bf60cabc ("LSM: Infrastructure management of
the file security"), aa_alloc_file_ctx() and aa_free_file_ctx() are no
longer used, so remove them, and also remove aa_get_file_label() because
it seems that it's never been used before.

Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
Xiu Jianfeng 2023-07-25 14:12:59 +00:00 committed by John Johansen
parent 9a0dbdbff0
commit 980a580868
1 changed files with 0 additions and 37 deletions
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37
security/apparmor/include/file.h
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@ -45,43 +45,6 @@ struct aa_file_ctx {
u32 allow;
};
/**
* aa_alloc_file_ctx - allocate file_ctx
* @label: initial label of task creating the file
* @gfp: gfp flags for allocation
*
* Returns: file_ctx or NULL on failure
*/
static inline struct aa_file_ctx *aa_alloc_file_ctx(struct aa_label *label,
gfp_t gfp)
{
struct aa_file_ctx *ctx;
ctx = kzalloc(sizeof(struct aa_file_ctx), gfp);
if (ctx) {
spin_lock_init(&ctx->lock);
rcu_assign_pointer(ctx->label, aa_get_label(label));
}
return ctx;
}
/**
* aa_free_file_ctx - free a file_ctx
* @ctx: file_ctx to free (MAYBE_NULL)
*/
static inline void aa_free_file_ctx(struct aa_file_ctx *ctx)
{
if (ctx) {
aa_put_label(rcu_access_pointer(ctx->label));
kfree_sensitive(ctx);
}
}
static inline struct aa_label *aa_get_file_label(struct aa_file_ctx *ctx)
{
return aa_get_label_rcu(&ctx->label);
}
/*
* The xindex is broken into 3 parts
* - index - an index into either the exec name table or the variable table