[PATCH net-next] netfilter: nf_tables: fix compile warnings

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Remove unused variable and fix missing initialization.

>> net/netfilter/nf_tables_api.c:8266:6: warning: variable 'i' set but not used [-Wunused-but-set-variable]
           int i;
               ^
>> net/netfilter/nf_tables_api.c:8277:4: warning: variable 'data_size' is uninitialized when used here [-Wuninitialized]
                           data_size += sizeof(*prule) + rule->dlen;
                           ^~~~~~~~~
   net/netfilter/nf_tables_api.c:8262:30: note: initialize the variable 'data_size' to silence this warning
           unsigned int size, data_size;

Fixes: 2c865a8a28a1 ("netfilter: nf_tables: add rule blob layout")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
Please, directly apply this fix to net-next.

 net/netfilter/nf_tables_api.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index eb12fc9b803d..1f80a1fae63b 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -8260,18 +8260,16 @@ static int nf_tables_commit_chain_prepare(struct net *net, struct nft_chain *cha
 {
 	const struct nft_expr *expr, *last;
 	struct nft_regs_track track = {};
-	unsigned int size, data_size;
+	unsigned int size, data_size = 0;
 	void *data, *data_boundary;
 	struct nft_rule_dp *prule;
 	struct nft_rule *rule;
-	int i;
 
 	/* already handled or inactive chain? */
 	if (chain->blob_next || !nft_is_active_next(net, chain))
 		return 0;
 
 	rule = list_entry(&chain->rules, struct nft_rule, list);
-	i = 0;
 
 	list_for_each_entry_continue(rule, &chain->rules, list) {
 		if (nft_is_active_next(net, rule)) {
-- 
2.30.2




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