use MEMGETBADBLOCK to look for bad blocks when reading MTD partitions
diff --git a/mtdutils/mtdutils.c b/mtdutils/mtdutils.c
index fc06766..8d32520 100644
--- a/mtdutils/mtdutils.c
+++ b/mtdutils/mtdutils.c
@@ -283,19 +283,26 @@
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 @@
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);
}
