mtd: nand: nandsim: use the mtd instance embedded in struct nand_chip
struct nand_chip now embeds an mtd device. Make use of this mtd instance.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index eb2a567..442eeaf 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -2236,13 +2236,13 @@
}
/* Allocate and initialize mtd_info, nand_chip and nandsim structures */
- nsmtd = kzalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip)
- + sizeof(struct nandsim), GFP_KERNEL);
- if (!nsmtd) {
+ chip = kzalloc(sizeof(struct nand_chip) + sizeof(struct nandsim),
+ GFP_KERNEL);
+ if (!chip) {
NS_ERR("unable to allocate core structures.\n");
return -ENOMEM;
}
- chip = (struct nand_chip *)(nsmtd + 1);
+ nsmtd = nand_to_mtd(chip);
nsmtd->priv = (void *)chip;
nand = (struct nandsim *)(chip + 1);
chip->priv = (void *)nand;
@@ -2392,7 +2392,7 @@
for (i = 0;i < ARRAY_SIZE(nand->partitions); ++i)
kfree(nand->partitions[i].name);
error:
- kfree(nsmtd);
+ kfree(chip);
free_lists();
return retval;
@@ -2413,7 +2413,7 @@
nand_release(nsmtd); /* Unregister driver */
for (i = 0;i < ARRAY_SIZE(ns->partitions); ++i)
kfree(ns->partitions[i].name);
- kfree(nsmtd); /* Free other structures */
+ kfree(mtd_to_nand(nsmtd)); /* Free other structures */
free_lists();
}