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path: root/drivers/mtd/devices/block2mtd.c
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Diffstat (limited to 'drivers/mtd/devices/block2mtd.c')
-rw-r--r--drivers/mtd/devices/block2mtd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 03e80b2c4f5a..349fa07be314 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -293,7 +293,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size,
}
size = bdev_nr_bytes(bdev);
- if ((long)size % erase_size) {
+ if (!erase_size || (long)size % erase_size) {
pr_err("erasesize must be a divisor of device size\n");
goto err_free_block2mtd;
}