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nf/dccp: merge errorpaths

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Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilpo Järvinen 2008-12-14 23:19:02 -08:00 committed by David S. Miller
parent e780f1c33d
commit 79f55f11a0
1 changed files with 9 additions and 7 deletions
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16
net/netfilter/xt_dccp.c
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@ -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;
}