summaryrefslogtreecommitdiff
path: root/net
diff options
context:
space:
mode:
authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>2008-12-14 23:19:02 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-14 23:19:02 -0800
commit79f55f11a090d9f369448dcb58242c7924873920 (patch)
tree34dc1d9c852a060ca303d42bdf430033fdd7ce6a /net
parente780f1c33d76ebb81607a6b5d6b669edb9065a7f (diff)
nf/dccp: merge errorpaths
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/xt_dccp.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/net/netfilter/xt_dccp.c b/net/netfilter/xt_dccp.c
index e5d3e8673287..0989f29ade2e 100644
--- a/net/netfilter/xt_dccp.c
+++ b/net/netfilter/xt_dccp.c
@@ -45,10 +45,8 @@ dccp_find_option(u_int8_t option,
unsigned int optlen = dh->dccph_doff*4 - __dccp_hdr_len(dh);
unsigned int i;
- if (dh->dccph_doff * 4 < __dccp_hdr_len(dh)) {
- *hotdrop = true;
- return false;
- }
+ if (dh->dccph_doff * 4 < __dccp_hdr_len(dh))
+ goto invalid;
if (!optlen)
return false;
@@ -57,9 +55,7 @@ dccp_find_option(u_int8_t option,
op = skb_header_pointer(skb, protoff + optoff, optlen, dccp_optbuf);
if (op == NULL) {
/* If we don't have the whole header, drop packet. */
- spin_unlock_bh(&dccp_buflock);
- *hotdrop = true;
- return false;
+ goto partial;
}
for (i = 0; i < optlen; ) {
@@ -76,6 +72,12 @@ dccp_find_option(u_int8_t option,
spin_unlock_bh(&dccp_buflock);
return false;
+
+partial:
+ spin_unlock_bh(&dccp_buflock);
+invalid:
+ *hotdrop = true;
+ return false;
}