Merge branch 'linux-2.6' into for-2.6.22

[powerpc.git] / drivers / mtd / mtdpart.c

diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 06a9303..1af9890 100644 (file)
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -94,7 +94,7 @@ static int part_read_oob(struct mtd_info *mtd, loff_t from,
 
        if (from >= mtd->size)
                return -EINVAL;
-       if (from + ops->len > mtd->size)
+       if (ops->datbuf && from + ops->len > mtd->size)
                return -EINVAL;
        res = part->master->read_oob(part->master, from + part->offset, ops);
 
@@ -161,7 +161,7 @@ static int part_write_oob(struct mtd_info *mtd, loff_t to,
 
        if (to >= mtd->size)
                return -EINVAL;
-       if (to + ops->len > mtd->size)
+       if (ops->datbuf && to + ops->len > mtd->size)
                return -EINVAL;
        return part->master->write_oob(part->master, to + part->offset, ops);
 }
@@ -200,6 +200,11 @@ static int part_erase (struct mtd_info *mtd, struct erase_info *instr)
                return -EINVAL;
        instr->addr += part->offset;
        ret = part->master->erase(part->master, instr);
+       if (ret) {
+               if (instr->fail_addr != 0xffffffff)
+                       instr->fail_addr -= part->offset;
+               instr->addr -= part->offset;
+       }
        return ret;
 }
 
@@ -323,14 +328,13 @@ int add_mtd_partitions(struct mtd_info *master,
        for (i = 0; i < nbparts; i++) {
 
                /* allocate the partition structure */
-               slave = kmalloc (sizeof(*slave), GFP_KERNEL);
+               slave = kzalloc (sizeof(*slave), GFP_KERNEL);
                if (!slave) {
                        printk ("memory allocation error while creating partitions for \"%s\"\n",
                                master->name);
                        del_mtd_partitions(master);
                        return -ENOMEM;
                }
-               memset(slave, 0, sizeof(*slave));
                list_add(&slave->list, &mtd_partitions);
 
                /* set up the MTD object for this partition */
@@ -339,8 +343,8 @@ int add_mtd_partitions(struct mtd_info *master,
                slave->mtd.size = parts[i].size;
                slave->mtd.writesize = master->writesize;
                slave->mtd.oobsize = master->oobsize;
-               slave->mtd.ecctype = master->ecctype;
-               slave->mtd.eccsize = master->eccsize;
+               slave->mtd.oobavail = master->oobavail;
+               slave->mtd.subpage_sft = master->subpage_sft;
 
                slave->mtd.name = parts[i].name;
                slave->mtd.bank_size = master->bank_size;
@@ -561,4 +565,3 @@ EXPORT_SYMBOL_GPL(deregister_mtd_parser);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Nicolas Pitre <nico@cam.org>");
 MODULE_DESCRIPTION("Generic support for partitioning of MTD devices");
-