diff options
Diffstat (limited to 'drivers/mtd/mtdconcat.c')
| -rw-r--r-- | drivers/mtd/mtdconcat.c | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c index 1fea631b585..cf927a8803e 100644 --- a/drivers/mtd/mtdconcat.c +++ b/drivers/mtd/mtdconcat.c @@ -247,7 +247,7 @@ concat_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops) struct mtd_oob_ops devops = *ops; int i, err, ret = 0; - ops->retlen = 0; + ops->retlen = ops->oobretlen = 0; for (i = 0; i < concat->num_subdev; i++) { struct mtd_info *subdev = concat->subdev[i]; @@ -263,6 +263,7 @@ concat_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops) err = subdev->read_oob(subdev, from, &devops); ops->retlen += devops.retlen; + ops->oobretlen += devops.oobretlen; /* Save information about bitflips! */ if (unlikely(err)) { @@ -278,14 +279,18 @@ concat_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops) return err; } - devops.len = ops->len - ops->retlen; - if (!devops.len) - return ret; - - if (devops.datbuf) + if (devops.datbuf) { + devops.len = ops->len - ops->retlen; + if (!devops.len) + return ret; devops.datbuf += devops.retlen; - if (devops.oobbuf) - devops.oobbuf += devops.ooblen; + } + if (devops.oobbuf) { + devops.ooblen = ops->ooblen - ops->oobretlen; + if (!devops.ooblen) + return ret; + devops.oobbuf += ops->oobretlen; + } from = 0; } @@ -321,14 +326,18 @@ concat_write_oob(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops) if (err) return err; - devops.len = ops->len - ops->retlen; - if (!devops.len) - return 0; - - if (devops.datbuf) + if (devops.datbuf) { + devops.len = ops->len - ops->retlen; + if (!devops.len) + return 0; devops.datbuf += devops.retlen; - if (devops.oobbuf) - devops.oobbuf += devops.ooblen; + } + if (devops.oobbuf) { + devops.ooblen = ops->ooblen - ops->oobretlen; + if (!devops.ooblen) + return 0; + devops.oobbuf += devops.oobretlen; + } to = 0; } return -EINVAL; |