block is bad if ioctl() returns nonzero

Change-Id: I6fc4ce796bc663d05035927c0af0ce7ab6d07218
This commit is contained in:
Doug Zongker 2010-09-09 16:41:49 -07:00
parent 4bc980626c
commit aaf3f56c44

View File

@ -414,9 +414,12 @@ static int write_block(MtdWriteContext *ctx, const char *data)
ssize_t size = partition->erase_size;
while (pos + size <= (int) partition->size) {
loff_t bpos = pos;
if (ioctl(fd, MEMGETBADBLOCK, &bpos) > 0) {
int ret = ioctl(fd, MEMGETBADBLOCK, &bpos);
if (ret != 0 && !(ret == -1 && errno == EOPNOTSUPP)) {
add_bad_block_offset(ctx, pos);
fprintf(stderr, "mtd: not writing bad block at 0x%08lx\n", pos);
fprintf(stderr,
"mtd: not writing bad block at 0x%08lx (ret %d errno %d)\n",
pos, ret, errno);
pos += partition->erase_size;
continue; // Don't try to erase known factory-bad blocks.
}