diff options
| -rw-r--r-- | mtdutils/mtdutils.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/mtdutils/mtdutils.c b/mtdutils/mtdutils.c index fc067669b..8d3252059 100644 --- a/mtdutils/mtdutils.c +++ b/mtdutils/mtdutils.c @@ -283,19 +283,26 @@ static int read_block(const MtdPartition *partition, int fd, char *data) return -1; } - off_t pos = lseek(fd, 0, SEEK_CUR); + loff_t pos = lseek64(fd, 0, SEEK_CUR); + ssize_t size = partition->erase_size; + int mgbb; + while (pos + size <= (int) partition->size) { - if (lseek(fd, pos, SEEK_SET) != pos || read(fd, data, size) != size) { - fprintf(stderr, "mtd: read error at 0x%08lx (%s)\n", + if (lseek64(fd, pos, SEEK_SET) != pos || read(fd, data, size) != size) { + fprintf(stderr, "mtd: read error at 0x%08llx (%s)\n", pos, strerror(errno)); } else if (ioctl(fd, ECCGETSTATS, &after)) { fprintf(stderr, "mtd: ECCGETSTATS error (%s)\n", strerror(errno)); return -1; } else if (after.failed != before.failed) { - fprintf(stderr, "mtd: ECC errors (%d soft, %d hard) at 0x%08lx\n", + fprintf(stderr, "mtd: ECC errors (%d soft, %d hard) at 0x%08llx\n", after.corrected - before.corrected, after.failed - before.failed, pos); + } else if ((mgbb = ioctl(fd, MEMGETBADBLOCK, &pos))) { + fprintf(stderr, + "mtd: MEMGETBADBLOCK returned %d at 0x%08llx (errno=%d)\n", + mgbb, pos, errno); } else { int i; for (i = 0; i < size; ++i) { @@ -303,7 +310,7 @@ static int read_block(const MtdPartition *partition, int fd, char *data) return 0; // Success! } } - fprintf(stderr, "mtd: read all-zero block at 0x%08lx; skipping\n", + fprintf(stderr, "mtd: read all-zero block at 0x%08llx; skipping\n", pos); } |