Hi Linus, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f4d51dffc6c01a9e94650d95ce0104964f8ae822 commit: 11f74023888f4e50fd33d3428ce473a10e1f1969 mtd: parsers: Move BCM47xx parser date: 12 months ago config: mips-randconfig-s032-20200908 (attached as .config) compiler: mipsel-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-191-g10164920-dirty git checkout 11f74023888f4e50fd33d3428ce473a10e1f1969 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) >> drivers/mtd/parsers/bcm47xxpart.c:217:21: sparse: sparse: cast to restricted >> __le32 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=11f74023888f4e50fd33d3428ce473a10e1f1969 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 11f74023888f4e50fd33d3428ce473a10e1f1969 vim +217 drivers/mtd/parsers/bcm47xxpart.c 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 85 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 86 static int bcm47xxpart_parse(struct mtd_info *master, b9adf469f8abb8 drivers/mtd/bcm47xxpart.c Brian Norris 2015-12-04 87 const struct mtd_partition **pparts, 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 88 struct mtd_part_parser_data *data) 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 89 { 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 90 struct mtd_partition *parts; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 91 uint8_t i, curr_part = 0; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 92 uint32_t *buf; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 93 size_t bytes_read; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 94 uint32_t offset; 25bad1d3c9f561 drivers/mtd/bcm47xxpart.c Hauke Mehrtens 2013-01-24 95 uint32_t blocksize = master->erasesize; 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 96 int trx_parts[2]; /* Array with indexes of TRX partitions */ 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 97 int trx_num = 0; /* Number of found TRX partitions */ 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 98 int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, }; 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 99 int err; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 100 16bd87b3a352b5 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-12-08 101 /* 16bd87b3a352b5 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-12-08 102 * Some really old flashes (like AT45DB*) had smaller erasesize-s, but 16bd87b3a352b5 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-12-08 103 * partitions were aligned to at least 0x1000 anyway. 16bd87b3a352b5 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-12-08 104 */ 16bd87b3a352b5 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-12-08 105 if (blocksize < 0x1000) 16bd87b3a352b5 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-12-08 106 blocksize = 0x1000; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 107 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 108 /* Alloc */ 6396bb221514d2 drivers/mtd/bcm47xxpart.c Kees Cook 2018-06-12 109 parts = kcalloc(BCM47XXPART_MAX_PARTS, sizeof(struct mtd_partition), 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 110 GFP_KERNEL); 99b1d1887fee36 drivers/mtd/bcm47xxpart.c Hauke Mehrtens 2013-10-13 111 if (!parts) 99b1d1887fee36 drivers/mtd/bcm47xxpart.c Hauke Mehrtens 2013-10-13 112 return -ENOMEM; 99b1d1887fee36 drivers/mtd/bcm47xxpart.c Hauke Mehrtens 2013-10-13 113 5ca1088f10d617 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 114 buf = kzalloc(BCM47XXPART_BYTES_TO_READ, GFP_KERNEL); 99b1d1887fee36 drivers/mtd/bcm47xxpart.c Hauke Mehrtens 2013-10-13 115 if (!buf) { 99b1d1887fee36 drivers/mtd/bcm47xxpart.c Hauke Mehrtens 2013-10-13 116 kfree(parts); 99b1d1887fee36 drivers/mtd/bcm47xxpart.c Hauke Mehrtens 2013-10-13 117 return -ENOMEM; 99b1d1887fee36 drivers/mtd/bcm47xxpart.c Hauke Mehrtens 2013-10-13 118 } 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 119 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 120 /* Parse block by block looking for magics */ 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 121 for (offset = 0; offset <= master->size - blocksize; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 122 offset += blocksize) { 2a36a5c30eab9c drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-05 123 /* Nothing more in higher memory on BCM47XX (MIPS) */ 97f2645f358b41 drivers/mtd/bcm47xxpart.c Masahiro Yamada 2016-08-03 124 if (IS_ENABLED(CONFIG_BCM47XX) && offset >= 0x2000000) 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 125 break; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 126 00b79860eb5f72 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-02-26 127 if (curr_part >= BCM47XXPART_MAX_PARTS) { 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 128 pr_warn("Reached maximum number of partitions, scanning stopped!\n"); 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 129 break; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 130 } 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 131 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 132 /* Read beginning of the block */ 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 133 err = mtd_read(master, offset, BCM47XXPART_BYTES_TO_READ, 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 134 &bytes_read, (uint8_t *)buf); 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 135 if (err && !mtd_is_bitflip(err)) { 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 136 pr_err("mtd_read error while parsing (offset: 0x%X): %d\n", 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 137 offset, err); 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 138 continue; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 139 } 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 140 4f8aaf72287578 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 141 /* Magic or small NVRAM at 0x400 */ 4f8aaf72287578 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 142 if ((buf[0x4e0 / 4] == CFE_MAGIC && buf[0x4e4 / 4] == CFE_MAGIC) || 4f8aaf72287578 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 143 (buf[0x400 / 4] == NVRAM_HEADER)) { 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 144 bcm47xxpart_add_part(&parts[curr_part++], "boot", 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 145 offset, MTD_WRITEABLE); 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 146 continue; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 147 } 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 148 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 149 /* 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 150 * board_data starts with board_id which differs across boards, 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 151 * but we can use 'MPFR' (hopefully) magic at 0x100 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 152 */ 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 153 if (buf[0x100 / 4] == BOARD_DATA_MAGIC) { 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 154 bcm47xxpart_add_part(&parts[curr_part++], "board_data", 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 155 offset, MTD_WRITEABLE); 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 156 continue; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 157 } 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 158 33094c736cd36a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 159 /* Found on Huawei E970 */ 33094c736cd36a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 160 if (buf[0x000 / 4] == FACTORY_MAGIC) { 33094c736cd36a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 161 bcm47xxpart_add_part(&parts[curr_part++], "factory", 33094c736cd36a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 162 offset, MTD_WRITEABLE); 33094c736cd36a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 163 continue; 33094c736cd36a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 164 } 33094c736cd36a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 165 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 166 /* POT(TOP) */ 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 167 if (buf[0x000 / 4] == POT_MAGIC1 && 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 168 (buf[0x004 / 4] & 0xFFFF) == POT_MAGIC2) { 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 169 bcm47xxpart_add_part(&parts[curr_part++], "POT", offset, 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 170 MTD_WRITEABLE); 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 171 continue; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 172 } 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 173 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 174 /* ML */ 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 175 if (buf[0x010 / 4] == ML_MAGIC1 && 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 176 buf[0x014 / 4] == ML_MAGIC2) { 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 177 bcm47xxpart_add_part(&parts[curr_part++], "ML", offset, 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 178 MTD_WRITEABLE); 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 179 continue; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 180 } 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 181 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 182 /* TRX */ 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 183 if (buf[0x000 / 4] == TRX_MAGIC) { b522d7b0ebe353 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 184 struct trx_header *trx; 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 185 uint32_t last_subpart; 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 186 uint32_t trx_size; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 187 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 188 if (trx_num >= ARRAY_SIZE(trx_parts)) 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 189 pr_warn("No enough space to store another TRX found at 0x%X\n", 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 190 offset); 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 191 else 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 192 trx_parts[trx_num++] = curr_part; 396afe553bd607 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-01-06 193 bcm47xxpart_add_part(&parts[curr_part++], "firmware", 396afe553bd607 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-01-06 194 offset, 0); 396afe553bd607 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-01-06 195 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 196 /* 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 197 * Try to find TRX size. The "length" field isn't fully 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 198 * reliable as it could be decreased to make CRC32 cover 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 199 * only part of TRX data. It's commonly used as checksum 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 200 * can't cover e.g. ever-changing rootfs partition. 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 201 * Use offsets as helpers for assuming min TRX size. 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 202 */ b522d7b0ebe353 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 203 trx = (struct trx_header *)buf; 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 204 last_subpart = max3(trx->offset[0], trx->offset[1], 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 205 trx->offset[2]); 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 206 trx_size = max(trx->length, last_subpart + blocksize); 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 207 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 208 /* 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 209 * Skip the TRX data. Decrease offset by block size as 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 210 * the next loop iteration will increase it. 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 211 */ 237ea0d4762cc1 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2018-04-12 212 offset += roundup(trx_size, blocksize) - blocksize; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 213 continue; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 214 } 020c6bcfbeabee drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 215 020c6bcfbeabee drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 216 /* Squashfs on devices not using TRX */ 0b56d2d45e7c27 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-12-16 @217 if (le32_to_cpu(buf[0x000 / 4]) == SQUASHFS_MAGIC || 0b56d2d45e7c27 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-12-16 218 buf[0x000 / 4] == SHSQ_MAGIC) { 020c6bcfbeabee drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 219 bcm47xxpart_add_part(&parts[curr_part++], "rootfs", 020c6bcfbeabee drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 220 offset, 0); 020c6bcfbeabee drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 221 continue; 024629fdca1bbb drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-08-18 222 } 024629fdca1bbb drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-08-18 223 024629fdca1bbb drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-08-18 224 /* 024629fdca1bbb drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-08-18 225 * New (ARM?) devices may have NVRAM in some middle block. Last 024629fdca1bbb drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-08-18 226 * block will be checked later, so skip it. 024629fdca1bbb drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-08-18 227 */ 024629fdca1bbb drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-08-18 228 if (offset != master->size - blocksize && 024629fdca1bbb drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-08-18 229 buf[0x000 / 4] == NVRAM_HEADER) { 024629fdca1bbb drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-08-18 230 bcm47xxpart_add_part(&parts[curr_part++], "nvram", 024629fdca1bbb drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-08-18 231 offset, 0); 024629fdca1bbb drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-08-18 232 continue; 020c6bcfbeabee drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-10-21 233 } f0501e81fbaa51 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 234 f0501e81fbaa51 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 235 /* Read middle of the block */ 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 236 err = mtd_read(master, offset + 0x8000, 0x4, &bytes_read, 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 237 (uint8_t *)buf); 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 238 if (err && !mtd_is_bitflip(err)) { 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 239 pr_err("mtd_read error while parsing (offset: 0x%X): %d\n", 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 240 offset, err); f0501e81fbaa51 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 241 continue; f0501e81fbaa51 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 242 } f0501e81fbaa51 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 243 f0501e81fbaa51 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 244 /* Some devices (ex. WNDR3700v3) don't have a standard 'MPFR' */ f0501e81fbaa51 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 245 if (buf[0x000 / 4] == BOARD_DATA_MAGIC2) { f0501e81fbaa51 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 246 bcm47xxpart_add_part(&parts[curr_part++], "board_data", f0501e81fbaa51 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 247 offset, MTD_WRITEABLE); f0501e81fbaa51 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 248 continue; f0501e81fbaa51 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-12-21 249 } 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 250 } 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 251 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 252 /* Look for NVRAM at the end of the last block. */ 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 253 for (i = 0; i < ARRAY_SIZE(possible_nvram_sizes); i++) { 00b79860eb5f72 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2014-02-26 254 if (curr_part >= BCM47XXPART_MAX_PARTS) { 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 255 pr_warn("Reached maximum number of partitions, scanning stopped!\n"); 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 256 break; 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 257 } 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 258 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 259 offset = master->size - possible_nvram_sizes[i]; 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 260 err = mtd_read(master, offset, 0x4, &bytes_read, 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 261 (uint8_t *)buf); 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 262 if (err && !mtd_is_bitflip(err)) { 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 263 pr_err("mtd_read error while reading (offset 0x%X): %d\n", 36bcc0c9c2bc8f drivers/mtd/bcm47xxpart.c Rafał Miłecki 2015-12-06 264 offset, err); 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 265 continue; 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 266 } 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 267 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 268 /* Standard NVRAM */ 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 269 if (buf[0] == NVRAM_HEADER) { 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 270 bcm47xxpart_add_part(&parts[curr_part++], "nvram", 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 271 master->size - blocksize, 0); 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 272 break; 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 273 } 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 274 } 91d542f4dcc231 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-03-07 275 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 276 kfree(buf); 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 277 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 278 /* 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 279 * Assume that partitions end at the beginning of the one they are 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 280 * followed by. 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 281 */ 648bdbee5d2cc3 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-01-06 282 for (i = 0; i < curr_part; i++) { 648bdbee5d2cc3 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-01-06 283 u64 next_part_offset = (i < curr_part - 1) ? 648bdbee5d2cc3 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-01-06 284 parts[i + 1].offset : master->size; 648bdbee5d2cc3 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-01-06 285 648bdbee5d2cc3 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2013-01-06 286 parts[i].size = next_part_offset - parts[i].offset; b522d7b0ebe353 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 287 } b522d7b0ebe353 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 288 b522d7b0ebe353 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 289 /* If there was TRX parse it now */ 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 290 for (i = 0; i < trx_num; i++) { 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 291 struct mtd_partition *trx = &parts[trx_parts[i]]; 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 292 99352afe8f169c drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-06-21 293 if (i == bcm47xxpart_bootpartition()) 99352afe8f169c drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-06-21 294 trx->types = trx_types; 99352afe8f169c drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-06-21 295 else 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 296 trx->name = "failsafe"; 89a0d9a9f1941a drivers/mtd/bcm47xxpart.c Rafał Miłecki 2017-01-10 297 } 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 298 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 299 *pparts = parts; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 300 return curr_part; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 301 }; 3cf7f1314ed885 drivers/mtd/bcm47xxpart.c Rafał Miłecki 2012-08-30 302 :::::: The code at line 217 was first introduced by commit :::::: 0b56d2d45e7c27581ca90f36b4317373f23e7622 mtd: bcm47xxpart: support SquashFS with an original magic :::::: TO: Rafał Miłecki <[email protected]> :::::: CC: Brian Norris <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
