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net: dst: move cpu inside ifdef to avoid compilation warning

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If CONFIG_DST_CACHE is not selected cpu variable
will be unused and we will see a compilation warning.
Move it under the ifdef.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: d66f2b91f9 ("bpf: don't rely on the verifier lock for metadata_dst allocation")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2017-10-10 15:05:39 -07:00 committed by David S. Miller
parent f44dea3421
commit 833e0e2f24
1 changed files with 1 additions and 1 deletions
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2
net/core/dst.c
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@ -325,9 +325,9 @@ EXPORT_SYMBOL_GPL(metadata_dst_alloc_percpu);
void metadata_dst_free_percpu(struct metadata_dst __percpu *md_dst) void metadata_dst_free_percpu(struct metadata_dst __percpu *md_dst)
{ {
#ifdef CONFIG_DST_CACHE
int cpu; int cpu;
#ifdef CONFIG_DST_CACHE
for_each_possible_cpu(cpu) { for_each_possible_cpu(cpu) {
struct metadata_dst *one_md_dst = per_cpu_ptr(md_dst, cpu); struct metadata_dst *one_md_dst = per_cpu_ptr(md_dst, cpu);