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authorRicardo Ribalda Delgado <ricardo.ribalda@gmail.com>2018-10-04 15:01:04 +0200
committerBoris Brezillon <boris.brezillon@bootlin.com>2018-10-05 10:20:32 +0200
commit6c925b333368cda4e1b0513b07f72316c0e7edd7 (patch)
tree7b9a6591d04631ae9fb5b67b7ee3f8542c033158 /drivers/mtd
parent34cb1e31890c97d0ee89755d5f2833737fa30a03 (diff)
downloadlinux-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.c2
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;