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bpf: Delete unused variable

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'cnt' is set, but not used. Delete it.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202604111401.eqzyF2kx-lkp@intel.com/
Fixes: 2c167d9177 ("bpf: change logging scheme for live stack analysis")
Link: https://lore.kernel.org/r/20260411141447.45932-1-alexei.starovoitov@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Alexei Starovoitov
2026-04-11 07:14:47 -07:00
parent 4b64e52441
commit 57205e2dd9
1 changed files with 1 additions and 3 deletions
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kernel/bpf/liveness.c
+1 -3
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@@ -306,7 +306,7 @@ static inline bool update_insn(struct bpf_verifier_env *env,
/* Fixed-point computation of @live_before marks */
static void update_instance(struct bpf_verifier_env *env, struct func_instance *instance)
{
u32 i, frame, po_start, po_end, cnt;
u32 i, frame, po_start, po_end;
int *insn_postorder = env->cfg.insn_postorder;
struct bpf_subprog_info *subprog;
bool changed;
@@ -315,10 +315,8 @@ static void update_instance(struct bpf_verifier_env *env, struct func_instance *
subprog = &env->subprog_info[instance->subprog];
po_start = subprog->postorder_start;
po_end = (subprog + 1)->postorder_start;
cnt = 0;
/* repeat until fixed point is reached */
do {
cnt++;
changed = false;
for (frame = 0; frame <= instance->depth; frame++) {
if (!instance->frames[frame])