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authorYueHaibing2020-01-16 22:53:00 +0800
committerAlexei Starovoitov2020-01-16 20:15:24 -0800
commit81f2b572cf4fd5c4178fe0e2b5bb1ab096385fd8 (patch)
treea2c3e4e52fd06dc0be4eafed681aad06fbc27f81 /kernel/bpf
parentba92660362ec42db3baee5af2b47b85d70c1c4be (diff)
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
Diffstat (limited to 'kernel/bpf')
-rw-r--r--kernel/bpf/syscall.c2
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;