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bpf: Remove unused but set variable in __bpf_lru_list_shrink_inactive()

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Remove the unused but set variable 'first_node' in
__bpf_lru_list_shrink_inactive() to fix the following GCC warning when
building with 'W=1':

  kernel/bpf/bpf_lru_list.c:216:41: warning: variable ‘first_node’ set but not used [-Wunused-but-set-variable]

Cc: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tobias Klauser 2017-01-10 15:02:07 +01:00 committed by David S. Miller
parent da36e13cf6
commit a5ef01aaac
1 changed files with 1 additions and 2 deletions
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3
kernel/bpf/bpf_lru_list.c
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@ -213,11 +213,10 @@ __bpf_lru_list_shrink_inactive(struct bpf_lru *lru,
enum bpf_lru_list_type tgt_free_type)
{
struct list_head *inactive = &l->lists[BPF_LRU_LIST_T_INACTIVE];
struct bpf_lru_node *node, *tmp_node, *first_node;
struct bpf_lru_node *node, *tmp_node;
unsigned int nshrinked = 0;
unsigned int i = 0;
first_node = list_first_entry(inactive, struct bpf_lru_node, list);
list_for_each_entry_safe_reverse(node, tmp_node, inactive, list) {
if (bpf_lru_node_is_ref(node)) {
__bpf_lru_node_move(l, node, BPF_LRU_LIST_T_ACTIVE);