X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fmtd%2Fmtdpart.c;h=9c6236852942ec7e98441c5a333c1786a0e83a0c;hb=4aabab2181f20560948c2045ce1faaa9ac1507a8;hp=06a930372b7a5eb174d03872763612ecc0753adb;hpb=0d1782144e81faf6203075c5fcd0a2f0db91af5b;p=mv-sheeva.git

diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 06a930372b7..9c623685294 100644
--- 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 */
@@ -339,11 +343,10 @@ 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;
 		slave->mtd.owner = master->owner;
 
 		slave->mtd.read = part_read;
@@ -561,4 +564,3 @@ 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");
-