[PATCH] dm: proper error checking

An error value was not being checked correctly in open_dev().
[Kevin Corry]

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 2e6e77e8b759573c9362fd9f4dccfd461ea8eb75..f89891def44161a16234b1b19ef3d3e810a0df51 100644 (file)
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -356,7 +356,7 @@ static int open_dev(struct dm_dev *d, dev_t dev)
                return -ENOMEM;
 
        r = blkdev_get(d->bdev, d->mode, 0, BDEV_RAW);
-       if (!r)
+       if (r)
                return r;
 
        r = bd_claim(d->bdev, _claim_ptr);