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OpenCloudOS-Kernel
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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>
This commit is contained in:
Boris BREZILLON 2015-12-10 09:00:13 +01:00 committed by Brian Norris
parent a008deb165
commit ed10f16558
1 changed files with 6 additions and 6 deletions
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12
drivers/mtd/nand/nandsim.c
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@ -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();
}