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authorPablo Neira Ayuso <pablo@netfilter.org>2007-03-14 16:41:03 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:25:48 -0700
commitd9e6d029498ab9e943c70f24c027aeda5602196d (patch)
tree6f678b301e2ed057e943fafc3182a40145ea9482 /net/netfilter
parent67ca396606432aae3b747d5e6bb61d0c297eb782 (diff)
[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>
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/nfnetlink.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index c8b4f0d29df..9d33807ec16 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -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);