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diff --git a/net/isboot-kmod/files/patch-ibft.c b/net/isboot-kmod/files/patch-ibft.c
new file mode 100644
--- /dev/null
+++ b/net/isboot-kmod/files/patch-ibft.c
@@ -0,0 +1,74 @@
+--- ibft.c.orig 2022-05-11 20:18:36 UTC
++++ ibft.c
+@@ -146,13 +146,12 @@ ibft_print_address(uint8_t *addr)
+ void
+ ibft_print_address(uint8_t *addr)
+ {
+- uint32_t n0, n1, n2, n3;
++ uint32_t n0, n1, n2;
+
+ /* RFC2373 2.5.4 */
+ n0 = be32toh(*(uint32_t *)(addr + 0));
+ n1 = be32toh(*(uint32_t *)(addr + 4));
+ n2 = be32toh(*(uint32_t *)(addr + 8));
+- n3 = be32toh(*(uint32_t *)(addr +12));
+ if (n0 == 0 && n1 == 0 && n2 == 0x0000ffffU) {
+ /* IPv4-mapped IPv6 */
+ printf("%d.%d.%d.%d",
+@@ -188,7 +187,7 @@ ibft_parse_structure(uint8_t *ibft)
+ struct ibft_nic *n0h, *n1h;
+ struct ibft_target *t0h, *t1h;
+ char oemid[6+1], oemtableid[8+1];
+- int id, version, length, index, flags;
++ int id, length, index, flags;
+ int revision, checksum;
+ int name_length, name_offset;
+ int sum, i;
+@@ -226,7 +225,6 @@ ibft_parse_structure(uint8_t *ibft)
+ /* Control Structure (18 bytes or more) */
+ ch = (struct ibft_control *)(ibft + 48);
+ id = ch->id;
+- version = ch->version;
+ length = le16toh(ch->length);
+ index = ch->index;
+ flags = ch->flags;
+@@ -258,7 +256,6 @@ ibft_parse_structure(uint8_t *ibft)
+ if (ibft_initiator_offset != 0) {
+ ih = (struct ibft_initiator *)(ibft + ibft_initiator_offset);
+ id = ih->id;
+- version = ih->version;
+ length = le16toh(ih->length);
+ index = ih->index;
+ flags = ih->flags;
+@@ -307,7 +304,6 @@ ibft_parse_structure(uint8_t *ibft)
+ if (ibft_nic0_offset != 0) {
+ n0h = (struct ibft_nic *)(ibft + ibft_nic0_offset);
+ id = n0h->id;
+- version = n0h->version;
+ length = le16toh(n0h->length);
+ index = n0h->index;
+ flags = n0h->flags;
+@@ -396,7 +392,6 @@ ibft_parse_structure(uint8_t *ibft)
+ if (ibft_target0_offset != 0) {
+ t0h = (struct ibft_target *)(ibft + ibft_target0_offset);
+ id = t0h->id;
+- version = t0h->version;
+ length = le16toh(t0h->length);
+ index = t0h->index;
+ flags = t0h->flags;
+@@ -480,7 +475,6 @@ ibft_parse_structure(uint8_t *ibft)
+ if (ibft_nic1_offset != 0) {
+ n1h = (struct ibft_nic *)(ibft + ibft_nic1_offset);
+ id = n1h->id;
+- version = n1h->version;
+ length = le16toh(n1h->length);
+ index = n1h->index;
+ flags = n1h->flags;
+@@ -499,7 +493,6 @@ ibft_parse_structure(uint8_t *ibft)
+ if (ibft_target1_offset != 0) {
+ t1h = (struct ibft_target *)(ibft + ibft_target1_offset);
+ id = t1h->id;
+- version = t1h->version;
+ length = le16toh(t1h->length);
+ index = t1h->index;
+ flags = t1h->flags;
diff --git a/net/isboot-kmod/files/patch-isboot.c b/net/isboot-kmod/files/patch-isboot.c
new file mode 100644
--- /dev/null
+++ b/net/isboot-kmod/files/patch-isboot.c
@@ -0,0 +1,17 @@
+--- isboot.c.orig 2022-05-11 20:13:59 UTC
++++ isboot.c
+@@ -127,13 +127,12 @@ isboot_is_v4addr(uint8_t *addr)
+ int
+ isboot_is_v4addr(uint8_t *addr)
+ {
+- uint32_t n0, n1, n2, n3;
++ uint32_t n0, n1, n2;
+
+ /* RFC2373 2.5.4 */
+ n0 = be32toh(*(uint32_t *)(addr + 0));
+ n1 = be32toh(*(uint32_t *)(addr + 4));
+ n2 = be32toh(*(uint32_t *)(addr + 8));
+- n3 = be32toh(*(uint32_t *)(addr +12));
+ if (n0 == 0 && n1 == 0 && n2 == 0x0000ffffU)
+ return (1); /* IPv4-mapped IPv6 */
+ else
diff --git a/net/isboot-kmod/files/patch-iscsi.c b/net/isboot-kmod/files/patch-iscsi.c
new file mode 100644
--- /dev/null
+++ b/net/isboot-kmod/files/patch-iscsi.c
@@ -0,0 +1,226 @@
+--- iscsi.c.orig 2022-05-11 20:19:06 UTC
++++ iscsi.c
+@@ -210,10 +210,12 @@ static struct isboot_sess isboot_g_sess;
+ #define ISBOOT_TRACE(...) do { printf(__VA_ARGS__); } while (0)
+ #define ISBOOT_TRACEDUMP(LABEL, BUF, LEN) \
+ do { isboot_dump((LABEL), (BUF), (LEN)); } while (0)
++#define __trace_used
+ #else
+ #define ISBOOT_ERROR(...) do { printf(__VA_ARGS__); } while (0)
+ #define ISBOOT_TRACE(...)
+ #define ISBOOT_TRACEDUMP(LABEL, BUF, LEN)
++#define __trace_used __unused
+ #endif
+
+ #ifdef ISBOOT_OPT_PREFERRED_HEADER_DIGEST
+@@ -1179,13 +1181,11 @@ isboot_recv_pdu(struct isboot_sess *sess, pdu_t *pp)
+ struct uio uio;
+ uint8_t *bhs;
+ uint32_t crc32c;
+- uint32_t total;
+ int error;
+ int flags;
+ int ahs_len, ds_len;
+
+ memset(&uio, 0, sizeof(uio));
+- total = 0;
+
+ /* BHS */
+ flags = MSG_WAITALL;
+@@ -1201,7 +1201,6 @@ isboot_recv_pdu(struct isboot_sess *sess, pdu_t *pp)
+ }
+ m_copydata(mp, 0, ISCSI_BHS_LEN, (caddr_t)&pp->ipdu.bhs);
+ m_freem(mp);
+- total += ISCSI_BHS_LEN;
+ bhs = (uint8_t *)&pp->ipdu.bhs;
+ ahs_len = DGET8(&bhs[4]);
+ ahs_len *= 4;
+@@ -1246,7 +1245,6 @@ isboot_recv_pdu(struct isboot_sess *sess, pdu_t *pp)
+ (caddr_t)pp->ahs_addr);
+ m_freem(mp);
+ pp->ahs_len = ahs_len;
+- total += ISCSI_ALIGN(ahs_len);
+ }
+
+ /* HD */
+@@ -1265,7 +1263,6 @@ isboot_recv_pdu(struct isboot_sess *sess, pdu_t *pp)
+ m_copydata(mp, 0, sizeof(pp->hdr_dig),
+ (caddr_t)&pp->hdr_dig);
+ m_freem(mp);
+- total += sizeof(pp->hdr_dig);
+ }
+
+ /* DATA */
+@@ -1285,7 +1282,6 @@ isboot_recv_pdu(struct isboot_sess *sess, pdu_t *pp)
+ (caddr_t)pp->ds_addr);
+ m_freem(mp);
+ pp->ds_len = ds_len;
+- total += ISCSI_ALIGN(ds_len);
+ }
+
+ /* DD */
+@@ -1304,7 +1300,6 @@ isboot_recv_pdu(struct isboot_sess *sess, pdu_t *pp)
+ m_copydata(mp, 0, sizeof(pp->ds_dig),
+ (caddr_t)&pp->ds_dig);
+ m_freem(mp);
+- total += sizeof(pp->ds_dig);
+ }
+
+ /* check digest */
+@@ -1579,7 +1574,7 @@ isboot_rsp_login(struct isboot_sess *sess, pdu_t *pp)
+ uint32_t ExpCmdSN, MaxCmdSN;
+ uint16_t tsih;
+ int T_bit;
+- int CSG, NSG;
++ int NSG;
+ int StatusClass, StatusDetail;
+ int error;
+
+@@ -1597,7 +1592,6 @@ isboot_rsp_login(struct isboot_sess *sess, pdu_t *pp)
+ }
+
+ T_bit = BGET8(&rsp[1], 7);
+- CSG = BGET8W(&rsp[1], 3, 2);
+ NSG = BGET8W(&rsp[1], 1, 2);
+ tsih = DGET16(&rsp[14]);
+
+@@ -2200,10 +2194,7 @@ isboot_action(struct cam_sim *sim, union ccb *ccb)
+ static void
+ isboot_action(struct cam_sim *sim, union ccb *ccb)
+ {
+- struct isboot_sess *sess;
+-
+ ISBOOT_TRACE("isboot action %x\n", ccb->ccb_h.func_code);
+- sess = (struct isboot_sess *)cam_sim_softc(sim);
+
+ switch (ccb->ccb_h.func_code) {
+ case XPT_SCSI_IO:
+@@ -2291,14 +2282,12 @@ isboot_poll(struct cam_sim *sim)
+ static void
+ isboot_poll(struct cam_sim *sim)
+ {
+- struct isboot_sess *sess;
+ static int poll_out = 0;
+
+ if (poll_out == 0) {
+ poll_out = 1;
+ ISBOOT_TRACE("isboot poll\n");
+ }
+- sess = (struct isboot_sess *)cam_sim_softc(sim);
+ /* called after crash dump */
+ /* XXX need flush? */
+ }
+@@ -2681,14 +2670,13 @@ isboot_rsp_scsi(struct isboot_sess *sess, pdu_t *pp)
+ uint8_t *sp;
+ struct isboot_task *taskp;
+ union ccb *ccb;
+- uint32_t ITT, SNT;
+- uint32_t StatSN;
+- uint32_t ExpCmdSN, MaxCmdSN;
+- uint32_t ExpDataSN;
++ uint32_t ITT;
++ uint32_t StatSN __trace_used;
++ uint32_t ExpCmdSN __trace_used, MaxCmdSN __trace_used;
++ uint32_t ExpDataSN __trace_used;
+ int status, response;
+- int o_bit, u_bit, O_bit, U_bit;
++ int o_bit __trace_used, u_bit __trace_used, O_bit, U_bit;
+ int residual;
+- int bidi_residual;
+ int len, sense_len;
+
+ ITT = DGET32(&rsp[16]);
+@@ -2718,11 +2706,9 @@ isboot_rsp_scsi(struct isboot_sess *sess, pdu_t *pp)
+ mtx_unlock_spin(&sess->sn_mtx);
+
+ ITT = DGET32(&rsp[16]);
+- SNT = DGET32(&rsp[20]);
+ ExpCmdSN = DGET32(&rsp[28]);
+ MaxCmdSN = DGET32(&rsp[32]);
+ ExpDataSN = DGET32(&rsp[36]);
+- bidi_residual = DGET32(&rsp[40]);
+ residual = DGET32(&rsp[44]);
+
+ if (pp->ds_len > 2) {
+@@ -2822,12 +2808,11 @@ isboot_rsp_read_data(struct isboot_sess *sess, pdu_t *
+ struct isboot_task *taskp;
+ union ccb *ccb;
+ uint8_t *data;
+- uint32_t ITT, TTT;
+- uint32_t StatSN;
+- uint32_t ExpCmdSN, MaxCmdSN;
+- uint32_t DataSN, ExpDataSN;
++ uint32_t ITT;
++ uint32_t StatSN __trace_used;
++ uint32_t ExpCmdSN __trace_used, MaxCmdSN __trace_used;
++ uint32_t DataSN __trace_used, ExpDataSN;
+ uint32_t TL;
+- int error;
+ int offset;
+ int status, response;
+ int len;
+@@ -2856,7 +2841,6 @@ isboot_rsp_read_data(struct isboot_sess *sess, pdu_t *
+ len = pp->ds_len;
+ status = 0;
+ response = 0;
+- error = 0;
+
+ F_bit = BGET8(&rsp[1], 7);
+ S_bit = BGET8(&rsp[1], 0);
+@@ -2877,7 +2861,6 @@ isboot_rsp_read_data(struct isboot_sess *sess, pdu_t *
+ StatSN = 0;
+ }
+ ITT = DGET32(&rsp[16]);
+- TTT = DGET32(&rsp[20]);
+ ExpCmdSN = DGET32(&rsp[28]);
+ MaxCmdSN = DGET32(&rsp[32]);
+ DataSN = DGET32(&rsp[36]);
+@@ -2975,9 +2958,8 @@ isboot_rsp_r2t(struct isboot_sess *sess, pdu_t *pp)
+ uint8_t *data;
+ uint64_t LUN;
+ uint32_t ITT, TTT;
+- uint32_t R2TSN;
+ uint32_t StatSN;
+- uint32_t ExpCmdSN, MaxCmdSN;
++ uint32_t ExpCmdSN __trace_used, MaxCmdSN __trace_used;
+ uint32_t DataSN;
+ uint32_t TL;
+ int error;
+@@ -3013,7 +2995,6 @@ isboot_rsp_r2t(struct isboot_sess *sess, pdu_t *pp)
+ TTT = DGET32(&rsp[20]);
+ ExpCmdSN = DGET32(&rsp[28]);
+ MaxCmdSN = DGET32(&rsp[32]);
+- R2TSN = DGET32(&rsp[36]);
+ offset = DGET32(&rsp[40]);
+ len = DGET32(&rsp[44]);
+
+@@ -3123,12 +3104,10 @@ isboot_rsp_nopin(struct isboot_sess *sess, pdu_t *pp)
+ isboot_rsp_nopin(struct isboot_sess *sess, pdu_t *pp)
+ {
+ uint8_t *rsp = (uint8_t *)&pp->ipdu.bhs;
+- uint64_t LUN;
+ uint32_t ITT, TTT;
+- uint32_t StatSN;
+- uint32_t ExpCmdSN, MaxCmdSN;
++ uint32_t StatSN __trace_used;
++ uint32_t ExpCmdSN __trace_used, MaxCmdSN __trace_used;
+
+- LUN = DGET64(&rsp[8]);
+ ITT = DGET32(&rsp[16]);
+ TTT = DGET32(&rsp[20]);
+ StatSN = DGET32(&rsp[24]);
+@@ -3166,13 +3145,12 @@ isboot_execute(struct isboot_sess *sess, pdu_t *pp)
+ isboot_execute(struct isboot_sess *sess, pdu_t *pp)
+ {
+ uint8_t *bhs = (uint8_t *)&pp->ipdu.bhs;
+- int immediate, opcode;
++ int opcode;
+ int rc;
+
+ if (pp == NULL)
+ return (EINVAL);
+
+- immediate = BGET8W(&bhs[0], 6, 1);
+ opcode = BGET8W(&bhs[0], 5, 6);
+
+ ISBOOT_TRACE("isboot_execute opcode=0x%x\n", opcode);

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