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path: root/drivers/md/dm-table.c
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Diffstat (limited to 'drivers/md/dm-table.c')
-rw-r--r--drivers/md/dm-table.c29
1 files changed, 6 insertions, 23 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 798e468103b8..61f441409234 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -316,29 +316,12 @@ static inline int check_space(struct dm_table *t)
*/
static int lookup_device(const char *path, dev_t *dev)
{
- int r;
- struct nameidata nd;
- struct inode *inode;
-
- if ((r = path_lookup(path, LOOKUP_FOLLOW, &nd)))
- return r;
-
- inode = nd.path.dentry->d_inode;
- if (!inode) {
- r = -ENOENT;
- goto out;
- }
-
- if (!S_ISBLK(inode->i_mode)) {
- r = -ENOTBLK;
- goto out;
- }
-
- *dev = inode->i_rdev;
-
- out:
- path_put(&nd.path);
- return r;
+ struct block_device *bdev = lookup_bdev(path);
+ if (IS_ERR(bdev))
+ return PTR_ERR(bdev);
+ *dev = bdev->bd_dev;
+ bdput(bdev);
+ return 0;
}
/*