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| author | Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> | 2018-10-04 15:01:04 +0200 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-10-05 10:20:32 +0200 |
| commit | 6c925b333368cda4e1b0513b07f72316c0e7edd7 (patch) | |
| tree | 7b9a6591d04631ae9fb5b67b7ee3f8542c033158 /drivers/mtd | |
| parent | 34cb1e31890c97d0ee89755d5f2833737fa30a03 (diff) | |
| download | linux-6c925b333368cda4e1b0513b07f72316c0e7edd7.tar.bz2 | |
mtd: maps: gpio-addr-flash: Fix ioremapped size
We should only iomap the area of the chip that is memory mapped.
Otherwise we could be mapping devices beyond the memory space or that
belong to other devices.
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Fixes: ebd71e3a4861 ("mtd: maps: gpio-addr-flash: fix warnings and make more portable")
Cc: <stable@vger.kernel.org>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/maps/gpio-addr-flash.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/maps/gpio-addr-flash.c b/drivers/mtd/maps/gpio-addr-flash.c index 17be47f72973..6de16e81994c 100644 --- a/drivers/mtd/maps/gpio-addr-flash.c +++ b/drivers/mtd/maps/gpio-addr-flash.c @@ -234,7 +234,7 @@ static int gpio_flash_probe(struct platform_device *pdev) state->map.copy_to = gf_copy_to; state->map.bankwidth = pdata->width; state->map.size = state->win_size * (1 << state->gpio_count); - state->map.virt = ioremap_nocache(memory->start, state->map.size); + state->map.virt = ioremap_nocache(memory->start, state->win_size); if (!state->map.virt) return -ENOMEM; |