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bpf: move explored_state() closer to the beginning of verifier.c

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Subsequent patches would make use of explored_state() function.
Move it up to avoid adding unnecessary prototype.

Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20231024000917.12153-2-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Eduard Zingerman 2023-10-24 03:09:11 +03:00 committed by Alexei Starovoitov
parent b63dadd6f9
commit 3c4e420cb6
1 changed files with 13 additions and 15 deletions
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28
kernel/bpf/verifier.c
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@ -1817,6 +1817,19 @@ static int copy_verifier_state(struct bpf_verifier_state *dst_state,
return 0;
}
static u32 state_htab_size(struct bpf_verifier_env *env)
{
return env->prog->len;
}
static struct bpf_verifier_state_list **explored_state(struct bpf_verifier_env *env, int idx)
{
struct bpf_verifier_state *cur = env->cur_state;
struct bpf_func_state *state = cur->frame[cur->curframe];
return &env->explored_states[(idx ^ state->callsite) % state_htab_size(env)];
}
static void update_branch_counts(struct bpf_verifier_env *env, struct bpf_verifier_state *st)
{
while (st) {
@ -15020,21 +15033,6 @@ enum {
BRANCH = 2,
};
static u32 state_htab_size(struct bpf_verifier_env *env)
{
return env->prog->len;
}
static struct bpf_verifier_state_list **explored_state(
struct bpf_verifier_env *env,
int idx)
{
struct bpf_verifier_state *cur = env->cur_state;
struct bpf_func_state *state = cur->frame[cur->curframe];
return &env->explored_states[(idx ^ state->callsite) % state_htab_size(env)];
}
static void mark_prune_point(struct bpf_verifier_env *env, int idx)
{
env->insn_aux_data[idx].prune_point = true;