nf/dccp: merge errorpaths
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 9 additions and 7 deletions
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@ -45,10 +45,8 @@ dccp_find_option(u_int8_t option,
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unsigned int optlen = dh->dccph_doff*4 - __dccp_hdr_len(dh);
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unsigned int i;
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if (dh->dccph_doff * 4 < __dccp_hdr_len(dh)) {
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*hotdrop = true;
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return false;
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}
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if (dh->dccph_doff * 4 < __dccp_hdr_len(dh))
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goto invalid;
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if (!optlen)
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return false;
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@ -57,9 +55,7 @@ dccp_find_option(u_int8_t option,
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op = skb_header_pointer(skb, protoff + optoff, optlen, dccp_optbuf);
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if (op == NULL) {
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/* If we don't have the whole header, drop packet. */
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spin_unlock_bh(&dccp_buflock);
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*hotdrop = true;
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return false;
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goto partial;
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}
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for (i = 0; i < optlen; ) {
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@ -76,6 +72,12 @@ dccp_find_option(u_int8_t option,
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spin_unlock_bh(&dccp_buflock);
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return false;
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partial:
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spin_unlock_bh(&dccp_buflock);
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invalid:
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*hotdrop = true;
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return false;
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}
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