Messages in this thread Patch in this message | | | From | Gaosheng Cui <> | Subject | [PATCH -next] mtd: ftl: use container_of() rather than cast | Date | Tue, 16 Aug 2022 21:59:10 +0800 |
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The container_of() is much more readable and also safer.
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> --- drivers/mtd/ftl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/ftl.c b/drivers/mtd/ftl.c index bec56070039d..7e56c77535e8 100644 --- a/drivers/mtd/ftl.c +++ b/drivers/mtd/ftl.c @@ -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", -- 2.25.1
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