[PATCH v4 29/58] mtd: nand: nandsim: use the mtd instance embedded in struct nand_chip

From: Boris Brezillon
Date: Thu Dec 10 2015 - 03:05:29 EST


struct nand_chip now embeds an mtd device. Make use of this mtd instance.

Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
---
drivers/mtd/nand/nandsim.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

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 @@ static int __init ns_init_module(void)
}

/* 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 @@ err_exit:
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 @@ static void __exit ns_cleanup_module(void)
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();
}

--
2.1.4

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