Deny use of a char mtd device to map as a block device.
Signed-off-by: Fabian Frederick <[email protected]>
---
drivers/mtd/devices/block2mtd.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index d9fd87a..0efee5b 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -244,7 +244,8 @@ static struct block2mtd_dev *add_device(char *devname, int
erase_size)
}
dev->blkdev = bdev;
- if (MAJOR(bdev->bd_dev) == MTD_BLOCK_MAJOR) {
+ if ((MAJOR(bdev->bd_dev) == MTD_BLOCK_MAJOR) ||
+ (MAJOR(bdev->bd_dev) == MTD_CHAR_MAJOR)) {
pr_err("attempting to use an MTD device as a block device\n");
goto devinit_err;
}
--
1.8.1.4
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