kernel/bpf/syscall.c: In function generic_map_lookup_batch: kernel/bpf/syscall.c:1339:7: warning: variable first_key set but not used [-Wunused-but-set-variable] It is never used, so remove it. Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> --- kernel/bpf/syscall.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 0d94d36..c26a714 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -1336,7 +1336,6 @@ int generic_map_lookup_batch(struct bpf_map *map, void *buf, *buf_prevkey, *prev_key, *key, *value; int err, retry = MAP_LOOKUP_RETRIES; u32 value_size, cp, max_count; - bool first_key = false; if (attr->batch.elem_flags & ~BPF_F_LOCK) return -EINVAL; @@ -1365,7 +1364,6 @@ int generic_map_lookup_batch(struct bpf_map *map, } err = -EFAULT; - first_key = false; prev_key = NULL; if (ubatch && copy_from_user(buf_prevkey, ubatch, map->key_size)) goto free_buf; -- 2.7.4
