fixme applied : check device size is a multiple of erasesize.
Signed-off-by: Fabian Frederick <f...@skynet.be>
---
drivers/mtd/devices/block2mtd.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 3e12234..66f0405 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -209,7 +209,6 @@ static void block2mtd_free_device(struct block2mtd_dev *dev)
}
-/* FIXME: ensure that mtd->size % erase_size == 0 */
static struct block2mtd_dev *add_device(char *devname, int erase_size)
{
const fmode_t mode = FMODE_READ | FMODE_WRITE | FMODE_EXCL;
@@ -249,6 +248,11 @@ static struct block2mtd_dev *add_device(char *devname, int
erase_size)
goto err_free_block2mtd;
}
+ if ((long)dev->blkdev->bd_inode->i_size % erase_size) {
+ pr_err("erasesize must be a divisor of device size\n");
+ goto err_free_block2mtd;
+ }
+
mutex_init(&dev->write_mutex);
/* Setup the MTD structure */
--
1.8.1.4
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