OpenWrt – Rev 1

Subversion Repositories:
Rev:
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -335,7 +335,14 @@ static int part_lock(struct mtd_info *mt
 static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
 {
        struct mtd_part *part = PART(mtd);
-       return part->master->_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 part->master->_unlock(part->master, ofs, len);
 }
 
 static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)