Messages in this thread Patch in this message | | | From | YueHaibing <> | Subject | [PATCH bpf-next] bpf: hide the unused 'off' variable | Date | Tue, 29 May 2018 10:40:18 +0800 |
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The local variable is only used while CONFIG_IPV6 enabled
net/core/filter.c: In function ‘sk_msg_convert_ctx_access’: net/core/filter.c:6489:6: warning: unused variable ‘off’ [-Wunused-variable] int off; ^ This puts it into #ifdef.
Fixes: 303def35f64e ("bpf: allow sk_msg programs to read sock fields") Signed-off-by: YueHaibing <yuehaibing@huawei.com> --- net/core/filter.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/net/core/filter.c b/net/core/filter.c index 24e6ce8..0ce93ed 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -6486,7 +6486,9 @@ static u32 sk_msg_convert_ctx_access(enum bpf_access_type type, struct bpf_prog *prog, u32 *target_size) { struct bpf_insn *insn = insn_buf; +#if IS_ENABLED(CONFIG_IPV6) int off; +#endif switch (si->off) { case offsetof(struct sk_msg_md, data): -- 2.7.0
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