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| author | Stefan Riedmueller <s.riedmueller@phytec.de> | 2020-05-04 15:21:48 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-05-05 07:43:07 +0200 |
| commit | f62bb30044dbad752bf0414239f793585d66960c (patch) | |
| tree | fb4d35f693164dfd4f47ade44d3395641a2f14b6 /drivers/mtd | |
| parent | 8005a5be7e284164475552987974b7a8d7a5198e (diff) | |
| download | barebox-f62bb30044dbad752bf0414239f793585d66960c.tar.gz barebox-f62bb30044dbad752bf0414239f793585d66960c.tar.xz | |
mtd: mtdraw: Fix cdev size calculation for large NANDs
Raw size for large NAND devices (> 4 GB) can exceed 32 bits, so we need
64 bit types as factors. Both factors are of 32 bit types, as such is
the return value. At least one factor needs to be 64 bit type when
calculating the size.
Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
Signed-off-by: Christian Hemp <c.hemp@phytec.de>
Signed-off-by: Yunus Bas <y.bas@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/mtdraw.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/mtdraw.c b/drivers/mtd/mtdraw.c index f63da7b3b2..b71619244b 100644 --- a/drivers/mtd/mtdraw.c +++ b/drivers/mtd/mtdraw.c @@ -306,7 +306,7 @@ static int add_mtdraw_device(struct mtd_info *mtd, const char *devname, void **p mtdraw->mtd = mtd; mtdraw->cdev.ops = (struct cdev_operations *)&mtd_raw_fops; - mtdraw->cdev.size = mtd_div_by_wb(mtd->size, mtd) * mtdraw->rps; + mtdraw->cdev.size = (loff_t)mtd_div_by_wb(mtd->size, mtd) * mtdraw->rps; mtdraw->cdev.name = basprintf("%s.raw", mtd->cdev.name); mtdraw->cdev.priv = mtdraw; mtdraw->cdev.dev = &mtd->class_dev; |