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mtd: ftl: use container_of() rather than cast

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The container_of() is much more readable and also safer.

Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220816135910.268016-1-cuigaosheng1@huawei.com
This commit is contained in:
Gaosheng Cui 2022-08-16 21:59:10 +08:00 committed by Miquel Raynal
parent 8d704c4e1e
commit bf3e6b8f83
1 changed files with 2 additions and 2 deletions
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4
drivers/mtd/ftl.c
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@ -941,7 +941,7 @@ static int ftl_write(partition_t *part, caddr_t buffer,
static int ftl_getgeo(struct mtd_blktrans_dev *dev, struct hd_geometry *geo)
{
partition_t *part = (void *)dev;
partition_t *part = container_of(dev, struct partition_t, mbd);
u_long sect;
/* Sort of arbitrary: round size down to 4KiB boundary */
@ -969,7 +969,7 @@ static int ftl_writesect(struct mtd_blktrans_dev *dev,
static int ftl_discardsect(struct mtd_blktrans_dev *dev,
unsigned long sector, unsigned nr_sects)
{
partition_t *part = (void *)dev;
partition_t *part = container_of(dev, struct partition_t, mbd);
uint32_t bsize = 1 << part->header.EraseUnitSize;
pr_debug("FTL erase sector %ld for %d sectors\n",