When a mtd device has partitions it is wrong to attach the whole device as this would corrupt the partitions. Refuse to attach it.
Signed-off-by: Sascha Hauer <[email protected]> --- drivers/mtd/ubi/build.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 604fe87e53..da409010f7 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -508,6 +508,14 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, struct ubi_device *ubi; int i, err, ref = 0; + /* + * Do not try to attach an UBI device if this device has partitions + * as it's not a good idea to attach UBI on a raw device when the + * real UBI only spans the first partition. + */ + if (!list_empty(&mtd->partitions)) + return -EBUSY; + if (max_beb_per1024 < 0 || max_beb_per1024 > MAX_MTD_UBI_BEB_LIMIT) return -EINVAL; -- 2.26.2 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
