[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>
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1 changed files with 1 additions and 8 deletions
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@ -149,17 +149,10 @@ static int
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nfnetlink_check_attributes(struct nfnetlink_subsystem *subsys,
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struct nlmsghdr *nlh, struct nfattr *cda[])
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{
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int min_len;
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int min_len = NLMSG_SPACE(sizeof(struct nfgenmsg));
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u_int16_t attr_count;
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u_int8_t cb_id = NFNL_MSG_TYPE(nlh->nlmsg_type);
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if (unlikely(cb_id >= subsys->cb_count))
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return -EINVAL;
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min_len = NLMSG_SPACE(sizeof(struct nfgenmsg));
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if (unlikely(nlh->nlmsg_len < min_len))
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return -EINVAL;
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attr_count = subsys->cb[cb_id].attr_count;
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memset(cda, 0, sizeof(struct nfattr *) * attr_count);
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