Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/mtd/partition.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/mtd/partition.c b/drivers/mtd/partition.c
index 261e35c..777cb75 100644
--- a/drivers/mtd/partition.c
+++ b/drivers/mtd/partition.c
@@ -18,6 +18,26 @@ static int mtd_part_read(struct mtd_info *mtd, loff_t from, size_t len,
return res;
}
+static int mtd_part_read_oob(struct mtd_info *mtd, loff_t from,
+ struct mtd_oob_ops *ops)
+{
+ int res;
+
+ if (from >= mtd->size)
+ return -EINVAL;
+ if (ops->datbuf && from + ops->len > mtd->size)
+ return -EINVAL;
+
+ res = mtd->master->read_oob(mtd->master, from + mtd->master_offset, ops);
+ if (unlikely(res)) {
+ if (mtd_is_bitflip(res))
+ mtd->ecc_stats.corrected++;
+ if (mtd_is_eccerr(res))
+ mtd->ecc_stats.failed++;
+ }
+ return res;
+}
+
static int mtd_part_write(struct mtd_info *mtd, loff_t to, size_t len,
size_t *retlen, const u_char *buf)
{
@@ -188,6 +208,8 @@ struct mtd_info *mtd_add_partition(struct mtd_info *mtd, off_t offset,
if (mtd->write_oob)
part->write_oob = mtd_part_write_oob;
+ if (mtd->read_oob)
+ part->read_oob = mtd_part_read_oob;
part->block_isbad = mtd->block_isbad ? mtd_part_block_isbad : NULL;
part->size = size;
--
2.7.0
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