diff options
Diffstat (limited to 'target/linux/generic/patches-4.9/412-mtd-partial_eraseblock_unlock.patch')
| -rw-r--r-- | target/linux/generic/patches-4.9/412-mtd-partial_eraseblock_unlock.patch | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/target/linux/generic/patches-4.9/412-mtd-partial_eraseblock_unlock.patch b/target/linux/generic/patches-4.9/412-mtd-partial_eraseblock_unlock.patch index e7c91c69d1..da4a902ffa 100644 --- a/target/linux/generic/patches-4.9/412-mtd-partial_eraseblock_unlock.patch +++ b/target/linux/generic/patches-4.9/412-mtd-partial_eraseblock_unlock.patch @@ -1,20 +1,20 @@ --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -337,7 +337,16 @@ static int part_lock(struct mtd_info *mt +@@ -343,7 +343,16 @@ 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 = mtd_to_part(mtd); -- return part->master->_unlock(part->master, ofs + part->offset, len); +- return part->parent->_unlock(part->parent, 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); ++ len = (mtd_div_by_eb(len, part->parent) + 1) * part->parent->erasesize; ++ ofs &= ~(part->parent->erasesize - 1); + } + -+ return part->master->_unlock(part->master, ofs, len); ++ return part->parent->_unlock(part->parent, ofs, len); } static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) |