19 lines
652 B
Diff
19 lines
652 B
Diff
--- a/drivers/mtd/mtdpart.c
|
|
+++ b/drivers/mtd/mtdpart.c
|
|
@@ -357,7 +357,14 @@ static int part_unlock(struct mtd_info *
|
|
struct mtd_part *part = PART(mtd);
|
|
if ((len + ofs) > mtd->size)
|
|
return -EINVAL;
|
|
- return mtd_unlock(part->master, ofs + part->offset, len);
|
|
+
|
|
+ ofs += part->offset;
|
|
+ if (mtd->flags & MTD_ERASE_PARTIAL) {
|
|
+ /* round up len to next erasesize and round down offset to prev block */
|
|
+ len = (mtd_div_by_eb(len, part->master) + 1) * part->master->erasesize;
|
|
+ ofs &= ~(part->master->erasesize - 1);
|
|
+ }
|
|
+ return mtd_unlock(part->master, ofs, len);
|
|
}
|
|
|
|
static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
|