forked from luck/tmp_suning_uos_patched
enic: Use offsetof macro in vic tlv length calculation
Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: Roopa Prabhu <roprabhu@cisco.com> Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -54,8 +54,8 @@ int vic_provinfo_add_tlv(struct vic_provinfo *vp, u16 type, u16 length,
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if (!vp || !value)
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return -EINVAL;
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if (ntohl(vp->length) + sizeof(*tlv) + length >
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VIC_PROVINFO_MAX_TLV_DATA)
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if (ntohl(vp->length) + offsetof(struct vic_provinfo_tlv, value) +
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length > VIC_PROVINFO_MAX_TLV_DATA)
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return -ENOMEM;
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tlv = (struct vic_provinfo_tlv *)((u8 *)vp->tlv +
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@ -66,7 +66,8 @@ int vic_provinfo_add_tlv(struct vic_provinfo *vp, u16 type, u16 length,
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memcpy(tlv->value, value, length);
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vp->num_tlvs = htonl(ntohl(vp->num_tlvs) + 1);
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vp->length = htonl(ntohl(vp->length) + sizeof(*tlv) + length);
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vp->length = htonl(ntohl(vp->length) +
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offsetof(struct vic_provinfo_tlv, value) + length);
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return 0;
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}
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