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| author | YueHaibing <yuehaibing@huawei.com> | 2020-01-16 22:53:00 +0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-01-16 20:15:24 -0800 |
| commit | 81f2b572cf4fd5c4178fe0e2b5bb1ab096385fd8 (patch) | |
| tree | a2c3e4e52fd06dc0be4eafed681aad06fbc27f81 | |
| parent | ba92660362ec42db3baee5af2b47b85d70c1c4be (diff) | |
| download | linux-81f2b572cf4fd5c4178fe0e2b5bb1ab096385fd8.tar.bz2 | |
bpf: Remove set but not used variable 'first_key'
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@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Brian Vazquez <brianvv@google.com>
Link: https://lore.kernel.org/bpf/20200116145300.59056-1-yuehaibing@huawei.com
| -rw-r--r-- | kernel/bpf/syscall.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 0d94d361379c..c26a71460f02 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; |