[PATCH bpf-next] bpf: Delete unused variable

[PATCH bpf-next] bpf: Delete unused variable

[Alexei Starovoitov]

From: Alexei Starovoitov <ast@kernel.org>

'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: 2c167d91775b ("bpf: change logging scheme for live stack analysis")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
 kernel/bpf/liveness.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/kernel/bpf/liveness.c b/kernel/bpf/liveness.c
index 9bb6574d73fe..59d990237cbd 100644
--- a/kernel/bpf/liveness.c
+++ b/kernel/bpf/liveness.c
@@ -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])
-- 
2.52.0

Re: [PATCH bpf-next] bpf: Delete unused variable

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Sat, 11 Apr 2026 07:14:47 -0700 you wrote:
> From: Alexei Starovoitov <ast@kernel.org>
> 
> '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: 2c167d91775b ("bpf: change logging scheme for live stack analysis")
> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
> 
> [...]

Here is the summary with links:
  - [bpf-next] bpf: Delete unused variable
    https://git.kernel.org/bpf/bpf-next/c/57205e2dd962

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html