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[NETFILTER]: nfnetlink: remove duplicate checks in nfnetlink_check_attributes 

Remove nfnetlink_check_attributes duplicates message size and callback
id checks. nfnetlink_find_client and nfnetlink_rcv_msg already do
such checks.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pablo Neira Ayuso 2007-03-14 16:41:03 -07:00 committed by David S. Miller
parent 67ca396606
commit d9e6d02949
1 changed files with 1 additions and 8 deletions
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9
net/netfilter/nfnetlink.c
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@ -149,17 +149,10 @@ static int
nfnetlink_check_attributes(struct nfnetlink_subsystem *subsys,
struct nlmsghdr *nlh, struct nfattr *cda[])
{
int min_len;
int min_len = NLMSG_SPACE(sizeof(struct nfgenmsg));
u_int16_t attr_count;
u_int8_t cb_id = NFNL_MSG_TYPE(nlh->nlmsg_type);
if (unlikely(cb_id >= subsys->cb_count))
return -EINVAL;
min_len = NLMSG_SPACE(sizeof(struct nfgenmsg));
if (unlikely(nlh->nlmsg_len < min_len))
return -EINVAL;
attr_count = subsys->cb[cb_id].attr_count;
memset(cda, 0, sizeof(struct nfattr *) * attr_count);