From 1b0215a3633a4c54ed7ec3af93e7a782dda8d965 Mon Sep 17 00:00:00 2001 From: Ying Zhang Date: Tue, 21 May 2024 16:17:02 +0000 Subject: [PATCH] bpf: Remove unused variable "prev_state" The variable "prev_state" is not used for any actual operations v2: Fix commit message and description. Signed-off-by: Ying Zhang Signed-off-by: Andrii Nakryiko Acked-by: Yonghong Song Link: https://lore.kernel.org/bpf/20240521161702.4339-1-yingzhang098@163.com --- samples/bpf/cpustat_kern.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/samples/bpf/cpustat_kern.c b/samples/bpf/cpustat_kern.c index 944f13fe164a..7ec7143e2757 100644 --- a/samples/bpf/cpustat_kern.c +++ b/samples/bpf/cpustat_kern.c @@ -211,7 +211,7 @@ int bpf_prog1(struct cpu_args *ctx) SEC("tracepoint/power/cpu_frequency") int bpf_prog2(struct cpu_args *ctx) { - u64 *pts, *cstate, *pstate, prev_state, cur_ts, delta; + u64 *pts, *cstate, *pstate, cur_ts, delta; u32 key, cpu, pstate_idx; u64 *val; @@ -232,7 +232,6 @@ int bpf_prog2(struct cpu_args *ctx) if (!cstate) return 0; - prev_state = *pstate; *pstate = ctx->state; if (!*pts) {