1227961Semaste/*- 2227961Semaste * Copyright (c) 2011 Sandvine Incorporated. All rights reserved. 3227961Semaste * Copyright (c) 2002-2011 Andre Albsmeier <andre@albsmeier.net> 4227961Semaste * All rights reserved. 5227961Semaste * 6227961Semaste * Redistribution and use in source and binary forms, with or without 7227961Semaste * modification, are permitted provided that the following conditions 8227961Semaste * are met: 9227961Semaste * 1. Redistributions of source code must retain the above copyright 10227961Semaste * notice, this list of conditions and the following disclaimer, 11227961Semaste * without modification, immediately at the beginning of the file. 12227961Semaste * 2. Redistributions in binary form must reproduce the above copyright 13227961Semaste * notice, this list of conditions and the following disclaimer in the 14227961Semaste * documentation and/or other materials provided with the distribution. 15227961Semaste * 16227961Semaste * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17227961Semaste * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18227961Semaste * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19227961Semaste * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20227961Semaste * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21227961Semaste * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22227961Semaste * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23227961Semaste * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24227961Semaste * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25227961Semaste * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26227961Semaste */ 27227961Semaste 28227961Semaste/* 29237740Sscottl * This software is derived from Andre Albsmeier's fwprog.c which contained 30237740Sscottl * the following note: 31237740Sscottl * 32237740Sscottl * Many thanks goes to Marc Frajola <marc@terasolutions.com> from 33237740Sscottl * TeraSolutions for the initial idea and his programme for upgrading 34237740Sscottl * the firmware of I*M DDYS drives. 35237740Sscottl */ 36237740Sscottl 37237740Sscottl/* 38227961Semaste * BEWARE: 39227961Semaste * 40227961Semaste * The fact that you see your favorite vendor listed below does not 41227961Semaste * imply that your equipment won't break when you use this software 42227961Semaste * with it. It only means that the firmware of at least one device type 43227961Semaste * of each vendor listed has been programmed successfully using this code. 44227961Semaste * 45227961Semaste * The -s option simulates a download but does nothing apart from that. 46227961Semaste * It can be used to check what chunk sizes would have been used with the 47227961Semaste * specified device. 48227961Semaste */ 49227961Semaste 50227961Semaste#include <sys/cdefs.h> 51227961Semaste__FBSDID("$FreeBSD$"); 52227961Semaste 53227961Semaste#include <sys/types.h> 54227961Semaste#include <sys/stat.h> 55227961Semaste 56227961Semaste#include <err.h> 57227961Semaste#include <fcntl.h> 58227961Semaste#include <stdio.h> 59227961Semaste#include <stdlib.h> 60227961Semaste#include <string.h> 61227961Semaste#include <unistd.h> 62227961Semaste 63227961Semaste#include <cam/scsi/scsi_all.h> 64227961Semaste#include <cam/scsi/scsi_message.h> 65227961Semaste#include <camlib.h> 66227961Semaste 67237740Sscottl#include "progress.h" 68237740Sscottl 69227961Semaste#include "camcontrol.h" 70227961Semaste 71227961Semaste#define CMD_TIMEOUT 50000 /* 50 seconds */ 72227961Semaste 73227961Semastetypedef enum { 74227961Semaste VENDOR_HITACHI, 75227961Semaste VENDOR_HP, 76227961Semaste VENDOR_IBM, 77227961Semaste VENDOR_PLEXTOR, 78237740Sscottl VENDOR_QUALSTAR, 79227961Semaste VENDOR_QUANTUM, 80227961Semaste VENDOR_SEAGATE, 81227961Semaste VENDOR_UNKNOWN 82227961Semaste} fw_vendor_t; 83227961Semaste 84227961Semastestruct fw_vendor { 85227961Semaste fw_vendor_t type; 86227961Semaste const char *pattern; 87227961Semaste int max_pkt_size; 88227961Semaste u_int8_t cdb_byte2; 89227961Semaste u_int8_t cdb_byte2_last; 90227961Semaste int inc_cdb_buffer_id; 91227961Semaste int inc_cdb_offset; 92227961Semaste}; 93227961Semaste 94237740Sscottlstatic const struct fw_vendor vendors_list[] = { 95227961Semaste {VENDOR_HITACHI, "HITACHI", 0x8000, 0x05, 0x05, 1, 0}, 96227961Semaste {VENDOR_HP, "HP", 0x8000, 0x07, 0x07, 0, 1}, 97227961Semaste {VENDOR_IBM, "IBM", 0x8000, 0x05, 0x05, 1, 0}, 98227961Semaste {VENDOR_PLEXTOR, "PLEXTOR", 0x2000, 0x04, 0x05, 0, 1}, 99237740Sscottl {VENDOR_QUALSTAR, "QUALSTAR", 0x2030, 0x05, 0x05, 0, 0}, 100227961Semaste {VENDOR_QUANTUM, "QUANTUM", 0x2000, 0x04, 0x05, 0, 1}, 101227961Semaste {VENDOR_SEAGATE, "SEAGATE", 0x8000, 0x07, 0x07, 0, 1}, 102237740Sscottl /* the next 2 are SATA disks going through SAS HBA */ 103237740Sscottl {VENDOR_SEAGATE, "ATA ST", 0x8000, 0x07, 0x07, 0, 1}, 104237740Sscottl {VENDOR_HITACHI, "ATA HDS", 0x8000, 0x05, 0x05, 1, 0}, 105227961Semaste {VENDOR_UNKNOWN, NULL, 0x0000, 0x00, 0x00, 0, 0} 106227961Semaste}; 107227961Semaste 108237740Sscottl#ifndef ATA_DOWNLOAD_MICROCODE 109237740Sscottl#define ATA_DOWNLOAD_MICROCODE 0x92 110237740Sscottl#endif 111237740Sscottl 112237740Sscottl#define USE_OFFSETS_FEATURE 0x3 113237740Sscottl 114237740Sscottl#ifndef LOW_SECTOR_SIZE 115237740Sscottl#define LOW_SECTOR_SIZE 512 116237740Sscottl#endif 117237740Sscottl 118237740Sscottl#define ATA_MAKE_LBA(o, p) \ 119237740Sscottl ((((((o) / LOW_SECTOR_SIZE) >> 8) & 0xff) << 16) | \ 120237740Sscottl ((((o) / LOW_SECTOR_SIZE) & 0xff) << 8) | \ 121237740Sscottl ((((p) / LOW_SECTOR_SIZE) >> 8) & 0xff)) 122237740Sscottl 123237740Sscottl#define ATA_MAKE_SECTORS(p) (((p) / 512) & 0xff) 124237740Sscottl 125237740Sscottl#ifndef UNKNOWN_MAX_PKT_SIZE 126237740Sscottl#define UNKNOWN_MAX_PKT_SIZE 0x8000 127237740Sscottl#endif 128237740Sscottl 129237740Sscottlstatic const struct fw_vendor *fw_get_vendor(struct cam_device *cam_dev); 130237740Sscottlstatic char *fw_read_img(const char *fw_img_path, 131237740Sscottl const struct fw_vendor *vp, int *num_bytes); 132227961Semastestatic int fw_download_img(struct cam_device *cam_dev, 133237740Sscottl const struct fw_vendor *vp, char *buf, int img_size, 134243294Semaste int sim_mode, int printerrors, int retry_count, int timeout, 135237740Sscottl const char */*name*/, const char */*type*/); 136227961Semaste 137227961Semaste/* 138227961Semaste * Find entry in vendors list that belongs to 139227961Semaste * the vendor of given cam device. 140227961Semaste */ 141237740Sscottlstatic const struct fw_vendor * 142227961Semastefw_get_vendor(struct cam_device *cam_dev) 143227961Semaste{ 144227961Semaste char vendor[SID_VENDOR_SIZE + 1]; 145237740Sscottl const struct fw_vendor *vp; 146227961Semaste 147227961Semaste if (cam_dev == NULL) 148227961Semaste return (NULL); 149227961Semaste cam_strvis((u_char *)vendor, (u_char *)cam_dev->inq_data.vendor, 150227961Semaste sizeof(cam_dev->inq_data.vendor), sizeof(vendor)); 151227961Semaste for (vp = vendors_list; vp->pattern != NULL; vp++) { 152227961Semaste if (!cam_strmatch((const u_char *)vendor, 153227961Semaste (const u_char *)vp->pattern, strlen(vendor))) 154227961Semaste break; 155227961Semaste } 156227961Semaste return (vp); 157227961Semaste} 158227961Semaste 159227961Semaste/* 160227961Semaste * Allocate a buffer and read fw image file into it 161227961Semaste * from given path. Number of bytes read is stored 162227961Semaste * in num_bytes. 163227961Semaste */ 164227961Semastestatic char * 165237740Sscottlfw_read_img(const char *fw_img_path, const struct fw_vendor *vp, int *num_bytes) 166227961Semaste{ 167227961Semaste int fd; 168227961Semaste struct stat stbuf; 169227961Semaste char *buf; 170227961Semaste off_t img_size; 171227961Semaste int skip_bytes = 0; 172227961Semaste 173227961Semaste if ((fd = open(fw_img_path, O_RDONLY)) < 0) { 174227961Semaste warn("Could not open image file %s", fw_img_path); 175227961Semaste return (NULL); 176227961Semaste } 177227961Semaste if (fstat(fd, &stbuf) < 0) { 178227961Semaste warn("Could not stat image file %s", fw_img_path); 179227961Semaste goto bailout1; 180227961Semaste } 181227961Semaste if ((img_size = stbuf.st_size) == 0) { 182227961Semaste warnx("Zero length image file %s", fw_img_path); 183227961Semaste goto bailout1; 184227961Semaste } 185227961Semaste if ((buf = malloc(img_size)) == NULL) { 186227961Semaste warnx("Could not allocate buffer to read image file %s", 187227961Semaste fw_img_path); 188227961Semaste goto bailout1; 189227961Semaste } 190227961Semaste /* Skip headers if applicable. */ 191227961Semaste switch (vp->type) { 192227961Semaste case VENDOR_SEAGATE: 193227961Semaste if (read(fd, buf, 16) != 16) { 194227961Semaste warn("Could not read image file %s", fw_img_path); 195227961Semaste goto bailout; 196227961Semaste } 197227961Semaste if (lseek(fd, 0, SEEK_SET) == -1) { 198227961Semaste warn("Unable to lseek"); 199227961Semaste goto bailout; 200227961Semaste } 201227961Semaste if ((strncmp(buf, "SEAGATE,SEAGATE ", 16) == 0) || 202227961Semaste (img_size % 512 == 80)) 203227961Semaste skip_bytes = 80; 204227961Semaste break; 205237740Sscottl case VENDOR_QUALSTAR: 206237740Sscottl skip_bytes = img_size % 1030; 207237740Sscottl break; 208227961Semaste default: 209227961Semaste break; 210227961Semaste } 211227961Semaste if (skip_bytes != 0) { 212227961Semaste fprintf(stdout, "Skipping %d byte header.\n", skip_bytes); 213227961Semaste if (lseek(fd, skip_bytes, SEEK_SET) == -1) { 214227961Semaste warn("Could not lseek"); 215227961Semaste goto bailout; 216227961Semaste } 217227961Semaste img_size -= skip_bytes; 218227961Semaste } 219227961Semaste /* Read image into a buffer. */ 220227961Semaste if (read(fd, buf, img_size) != img_size) { 221227961Semaste warn("Could not read image file %s", fw_img_path); 222227961Semaste goto bailout; 223227961Semaste } 224227961Semaste *num_bytes = img_size; 225227961Semaste return (buf); 226227961Semastebailout: 227227961Semaste free(buf); 228227961Semastebailout1: 229227961Semaste close(fd); 230227961Semaste *num_bytes = 0; 231227961Semaste return (NULL); 232227961Semaste} 233227961Semaste 234227961Semaste/* 235227961Semaste * Download firmware stored in buf to cam_dev. If simulation mode 236227961Semaste * is enabled, only show what packet sizes would be sent to the 237227961Semaste * device but do not sent any actual packets 238227961Semaste */ 239227961Semastestatic int 240237740Sscottlfw_download_img(struct cam_device *cam_dev, const struct fw_vendor *vp, 241243294Semaste char *buf, int img_size, int sim_mode, int printerrors, int retry_count, 242237740Sscottl int timeout, const char *imgname, const char *type) 243227961Semaste{ 244227961Semaste struct scsi_write_buffer cdb; 245237740Sscottl progress_t progress; 246237740Sscottl int size; 247227961Semaste union ccb *ccb; 248227961Semaste int pkt_count = 0; 249237740Sscottl int max_pkt_size; 250227961Semaste u_int32_t pkt_size = 0; 251227961Semaste char *pkt_ptr = buf; 252227961Semaste u_int32_t offset; 253227961Semaste int last_pkt = 0; 254237740Sscottl int16_t *ptr; 255227961Semaste 256227961Semaste if ((ccb = cam_getccb(cam_dev)) == NULL) { 257227961Semaste warnx("Could not allocate CCB"); 258227961Semaste return (1); 259227961Semaste } 260237740Sscottl if (strcmp(type, "scsi") == 0) { 261237740Sscottl scsi_test_unit_ready(&ccb->csio, 0, NULL, MSG_SIMPLE_Q_TAG, 262237740Sscottl SSD_FULL_SIZE, 5000); 263237740Sscottl } else if (strcmp(type, "ata") == 0) { 264237740Sscottl /* cam_getccb cleans up the header, caller has to zero the payload */ 265237740Sscottl bzero(&(&ccb->ccb_h)[1], 266237740Sscottl sizeof(struct ccb_ataio) - sizeof(struct ccb_hdr)); 267237740Sscottl 268237740Sscottl ptr = (uint16_t *)malloc(sizeof(struct ata_params)); 269237740Sscottl 270237740Sscottl if (ptr == NULL) { 271237740Sscottl cam_freeccb(ccb); 272237740Sscottl warnx("can't malloc memory for identify\n"); 273237740Sscottl return(1); 274237740Sscottl } 275237740Sscottl bzero(ptr, sizeof(struct ata_params)); 276237740Sscottl cam_fill_ataio(&ccb->ataio, 277237740Sscottl 1, 278237740Sscottl NULL, 279237740Sscottl /*flags*/CAM_DIR_IN, 280237740Sscottl MSG_SIMPLE_Q_TAG, 281237740Sscottl /*data_ptr*/(uint8_t *)ptr, 282237740Sscottl /*dxfer_len*/sizeof(struct ata_params), 283237740Sscottl timeout ? timeout : 30 * 1000); 284237740Sscottl ata_28bit_cmd(&ccb->ataio, ATA_ATA_IDENTIFY, 0, 0, 0); 285237740Sscottl } else { 286237740Sscottl warnx("weird disk type '%s'", type); 287237740Sscottl return 1; 288237740Sscottl } 289227961Semaste /* Disable freezing the device queue. */ 290227961Semaste ccb->ccb_h.flags |= CAM_DEV_QFRZDIS; 291227961Semaste if (cam_send_ccb(cam_dev, ccb) < 0) { 292237740Sscottl warnx("Error sending identify/test unit ready"); 293243294Semaste if (printerrors) 294227961Semaste cam_error_print(cam_dev, ccb, CAM_ESF_ALL, 295227961Semaste CAM_EPF_ALL, stderr); 296227961Semaste cam_freeccb(ccb); 297227961Semaste return(1); 298227961Semaste } 299227961Semaste if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 300227961Semaste warnx("Device is not ready"); 301243294Semaste if (printerrors) 302227961Semaste cam_error_print(cam_dev, ccb, CAM_ESF_ALL, 303227961Semaste CAM_EPF_ALL, stderr); 304227961Semaste cam_freeccb(ccb); 305227961Semaste return (1); 306227961Semaste } 307237740Sscottl max_pkt_size = vp->max_pkt_size; 308237740Sscottl if (vp->max_pkt_size == 0 && strcmp(type, "ata") == 0) { 309237740Sscottl max_pkt_size = UNKNOWN_MAX_PKT_SIZE; 310237740Sscottl } 311227961Semaste pkt_size = vp->max_pkt_size; 312237740Sscottl progress_init(&progress, imgname, size = img_size); 313227961Semaste /* Download single fw packets. */ 314227961Semaste do { 315237740Sscottl if (img_size <= max_pkt_size) { 316227961Semaste last_pkt = 1; 317227961Semaste pkt_size = img_size; 318227961Semaste } 319237740Sscottl progress_update(&progress, size - img_size); 320237740Sscottl progress_draw(&progress); 321227961Semaste bzero(&cdb, sizeof(cdb)); 322237740Sscottl if (strcmp(type, "scsi") == 0) { 323237740Sscottl cdb.opcode = WRITE_BUFFER; 324237740Sscottl cdb.control = 0; 325237740Sscottl /* Parameter list length. */ 326237740Sscottl scsi_ulto3b(pkt_size, &cdb.length[0]); 327237740Sscottl offset = vp->inc_cdb_offset ? (pkt_ptr - buf) : 0; 328237740Sscottl scsi_ulto3b(offset, &cdb.offset[0]); 329237740Sscottl cdb.byte2 = last_pkt ? vp->cdb_byte2_last : vp->cdb_byte2; 330237740Sscottl cdb.buffer_id = vp->inc_cdb_buffer_id ? pkt_count : 0; 331237740Sscottl /* Zero out payload of ccb union after ccb header. */ 332237740Sscottl bzero((u_char *)ccb + sizeof(struct ccb_hdr), 333237740Sscottl sizeof(struct ccb_scsiio) - sizeof(struct ccb_hdr)); 334237740Sscottl /* Copy previously constructed cdb into ccb_scsiio struct. */ 335237740Sscottl bcopy(&cdb, &ccb->csio.cdb_io.cdb_bytes[0], 336237740Sscottl sizeof(struct scsi_write_buffer)); 337237740Sscottl /* Fill rest of ccb_scsiio struct. */ 338237740Sscottl if (!sim_mode) { 339237740Sscottl cam_fill_csio(&ccb->csio, /* ccb_scsiio */ 340237740Sscottl retry_count, /* retries */ 341237740Sscottl NULL, /* cbfcnp */ 342237740Sscottl CAM_DIR_OUT | CAM_DEV_QFRZDIS, /* flags */ 343237740Sscottl CAM_TAG_ACTION_NONE, /* tag_action */ 344237740Sscottl (u_char *)pkt_ptr, /* data_ptr */ 345237740Sscottl pkt_size, /* dxfer_len */ 346237740Sscottl SSD_FULL_SIZE, /* sense_len */ 347237740Sscottl sizeof(struct scsi_write_buffer), /* cdb_len */ 348237740Sscottl timeout ? timeout : CMD_TIMEOUT); /* timeout */ 349237740Sscottl } 350237740Sscottl } else if (strcmp(type, "ata") == 0) { 351237740Sscottl bzero(&(&ccb->ccb_h)[1], 352237740Sscottl sizeof(struct ccb_ataio) - sizeof(struct ccb_hdr)); 353237740Sscottl if (!sim_mode) { 354237740Sscottl uint32_t off; 355237740Sscottl 356237740Sscottl cam_fill_ataio(&ccb->ataio, 357237740Sscottl (last_pkt) ? 256 : retry_count, 358237740Sscottl NULL, 359237740Sscottl /*flags*/CAM_DIR_OUT | CAM_DEV_QFRZDIS, 360237740Sscottl CAM_TAG_ACTION_NONE, 361237740Sscottl /*data_ptr*/(uint8_t *)pkt_ptr, 362237740Sscottl /*dxfer_len*/pkt_size, 363237740Sscottl timeout ? timeout : 30 * 1000); 364237740Sscottl off = (uint32_t)(pkt_ptr - buf); 365237740Sscottl ata_28bit_cmd(&ccb->ataio, ATA_DOWNLOAD_MICROCODE, 366237740Sscottl USE_OFFSETS_FEATURE, 367237740Sscottl ATA_MAKE_LBA(off, pkt_size), 368237740Sscottl ATA_MAKE_SECTORS(pkt_size)); 369237740Sscottl } 370237740Sscottl } 371227961Semaste if (!sim_mode) { 372227961Semaste /* Execute the command. */ 373252199Smav if (cam_send_ccb(cam_dev, ccb) < 0 || 374252199Smav (ccb->ccb_h.status & CAM_STATUS_MASK) != 375252199Smav CAM_REQ_CMP) { 376227961Semaste warnx("Error writing image to device"); 377243294Semaste if (printerrors) 378227961Semaste cam_error_print(cam_dev, ccb, CAM_ESF_ALL, 379237740Sscottl CAM_EPF_ALL, stderr); 380227961Semaste goto bailout; 381227961Semaste } 382227961Semaste } 383227961Semaste /* Prepare next round. */ 384227961Semaste pkt_count++; 385227961Semaste pkt_ptr += pkt_size; 386227961Semaste img_size -= pkt_size; 387227961Semaste } while(!last_pkt); 388237740Sscottl progress_complete(&progress, size - img_size); 389227961Semaste cam_freeccb(ccb); 390227961Semaste return (0); 391227961Semastebailout: 392237740Sscottl progress_complete(&progress, size - img_size); 393227961Semaste cam_freeccb(ccb); 394227961Semaste return (1); 395227961Semaste} 396227961Semaste 397227961Semasteint 398227961Semastefwdownload(struct cam_device *device, int argc, char **argv, 399243294Semaste char *combinedopt, int printerrors, int retry_count, int timeout, 400237740Sscottl const char *type) 401227961Semaste{ 402237740Sscottl const struct fw_vendor *vp; 403227961Semaste char *fw_img_path = NULL; 404227961Semaste char *buf; 405227961Semaste int img_size; 406227961Semaste int c; 407227961Semaste int sim_mode = 0; 408227961Semaste int confirmed = 0; 409227961Semaste 410227961Semaste while ((c = getopt(argc, argv, combinedopt)) != -1) { 411227961Semaste switch (c) { 412227961Semaste case 's': 413227961Semaste sim_mode = 1; 414227961Semaste confirmed = 1; 415227961Semaste break; 416227961Semaste case 'f': 417227961Semaste fw_img_path = optarg; 418227961Semaste break; 419227961Semaste case 'y': 420227961Semaste confirmed = 1; 421227961Semaste break; 422227961Semaste default: 423227961Semaste break; 424227961Semaste } 425227961Semaste } 426227961Semaste 427227961Semaste if (fw_img_path == NULL) 428237740Sscottl errx(1, "you must specify a firmware image file using -f option"); 429227961Semaste 430227961Semaste vp = fw_get_vendor(device); 431237740Sscottl if (vp == NULL) 432237740Sscottl errx(1, "NULL vendor"); 433237740Sscottl if (vp->type == VENDOR_UNKNOWN) 434237740Sscottl warnx("Unsupported device - flashing through an HBA?"); 435227961Semaste 436227961Semaste buf = fw_read_img(fw_img_path, vp, &img_size); 437227961Semaste if (buf == NULL) 438227961Semaste goto fail; 439227961Semaste 440227961Semaste if (!confirmed) { 441227961Semaste fprintf(stdout, "You are about to download firmware image (%s)" 442227961Semaste " into the following device:\n", 443227961Semaste fw_img_path); 444227961Semaste fprintf(stdout, "\nIt may damage your drive. "); 445227961Semaste if (!get_confirmation()) 446227961Semaste goto fail; 447227961Semaste } 448227961Semaste if (sim_mode) 449227961Semaste fprintf(stdout, "Running in simulation mode\n"); 450227961Semaste 451243294Semaste if (fw_download_img(device, vp, buf, img_size, sim_mode, printerrors, 452237740Sscottl retry_count, timeout, fw_img_path, type) != 0) { 453227961Semaste fprintf(stderr, "Firmware download failed\n"); 454227961Semaste goto fail; 455237740Sscottl } 456237740Sscottl else 457227961Semaste fprintf(stdout, "Firmware download successful\n"); 458227961Semaste 459227961Semaste free(buf); 460227961Semaste return (0); 461227961Semastefail: 462227961Semaste if (buf != NULL) 463227961Semaste free(buf); 464227961Semaste return (1); 465227961Semaste} 466227961Semaste 467