diff options
| author | Sean Young <sean@mess.org> | 2021-08-07 23:45:38 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2021-08-17 18:42:58 +0200 |
| commit | fa451399d65a06747379ab1e246faf0b28e1c05f (patch) | |
| tree | 8568584dbc3dc53fe52e9442a3a89880e1cf9523 /drivers/mtd | |
| parent | mtd: rfd_ftl: fix use-after-free (diff) | |
| download | linux-fa451399d65a06747379ab1e246faf0b28e1c05f.tar.xz linux-fa451399d65a06747379ab1e246faf0b28e1c05f.zip | |
mtd: rfd_ftl: use container_of() rather than cast
The container_of() is much more readable and also safer.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210807214538.14484-6-sean@mess.org
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/rfd_ftl.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/mtd/rfd_ftl.c b/drivers/mtd/rfd_ftl.c index 52be9f1fa9a2..af20a0a71108 100644 --- a/drivers/mtd/rfd_ftl.c +++ b/drivers/mtd/rfd_ftl.c @@ -239,7 +239,7 @@ err: static int rfd_ftl_readsect(struct mtd_blktrans_dev *dev, u_long sector, char *buf) { - struct partition *part = (struct partition*)dev; + struct partition *part = container_of(dev, struct partition, mbd); u_long addr; size_t retlen; int rc; @@ -600,7 +600,7 @@ static int find_free_sector(const struct partition *part, const struct block *bl static int do_writesect(struct mtd_blktrans_dev *dev, u_long sector, char *buf, ulong *old_addr) { - struct partition *part = (struct partition*)dev; + struct partition *part = container_of(dev, struct partition, mbd); struct block *block; u_long addr; int i; @@ -666,7 +666,7 @@ err: static int rfd_ftl_writesect(struct mtd_blktrans_dev *dev, u_long sector, char *buf) { - struct partition *part = (struct partition*)dev; + struct partition *part = container_of(dev, struct partition, mbd); u_long old_addr; int i; int rc = 0; @@ -708,7 +708,7 @@ err: static int rfd_ftl_discardsect(struct mtd_blktrans_dev *dev, unsigned long sector, unsigned int nr_sects) { - struct partition *part = (struct partition *)dev; + struct partition *part = container_of(dev, struct partition, mbd); u_long addr; int rc; @@ -735,7 +735,7 @@ static int rfd_ftl_discardsect(struct mtd_blktrans_dev *dev, static int rfd_ftl_getgeo(struct mtd_blktrans_dev *dev, struct hd_geometry *geo) { - struct partition *part = (struct partition*)dev; + struct partition *part = container_of(dev, struct partition, mbd); geo->heads = 1; geo->sectors = SECTORS_PER_TRACK; @@ -792,7 +792,7 @@ out: static void rfd_ftl_remove_dev(struct mtd_blktrans_dev *dev) { - struct partition *part = (struct partition*)dev; + struct partition *part = container_of(dev, struct partition, mbd); int i; for (i=0; i<part->total_blocks; i++) { @@ -803,7 +803,7 @@ static void rfd_ftl_remove_dev(struct mtd_blktrans_dev *dev) vfree(part->sector_map); kfree(part->header_cache); kfree(part->blocks); - del_mtd_blktrans_dev(dev); + del_mtd_blktrans_dev(&part->mbd); } static struct mtd_blktrans_ops rfd_ftl_tr = { |