[PATCH 12/13] netfilter: nf_tables: remove unused variable in nf_tables_dump_set()

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From: Michal Nazarewicz <mina86@xxxxxxxxxx>

The nfmsg variable is not used (except in sizeof operator which does
not care about its value) between the first and second time it is
assigned the value.  Furthermore, nlmsg_data has no side effects, so
the assignment can be safely removed.

Signed-off-by: Michal Nazarewicz <mina86@xxxxxxxxxx>
Cc: Patrick McHardy <kaber@xxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
 net/netfilter/nf_tables_api.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index aa4df58..37f0e69 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2505,9 +2505,8 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb)
 	u32 portid, seq;
 	int event, err;
 
-	nfmsg = nlmsg_data(cb->nlh);
-	err = nlmsg_parse(cb->nlh, sizeof(*nfmsg), nla, NFTA_SET_ELEM_LIST_MAX,
-			  nft_set_elem_list_policy);
+	err = nlmsg_parse(cb->nlh, sizeof(struct nfgenmsg), nla,
+			  NFTA_SET_ELEM_LIST_MAX, nft_set_elem_list_policy);
 	if (err < 0)
 		return err;
 
-- 
1.7.10.4

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