[PATCH] dm: tidy mdptr

Change dm_get_mdptr() to take a struct mapped_device instead of dev_t.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 8 deletions

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index f140d499602a..3d121cbc2fde 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -990,15 +990,9 @@ struct mapped_device *dm_get_md(dev_t dev)
         return md;
 }
 
-void *dm_get_mdptr(dev_t dev)
+void *dm_get_mdptr(struct mapped_device *md)
 {
-        struct mapped_device *md;
-        void *mdptr = NULL;
-
-        md = dm_find_md(dev);
-        if (md)
-                mdptr = md->interface_ptr;
-        return mdptr;
+        return md->interface_ptr;
 }
 
 void dm_set_mdptr(struct mapped_device *md, void *ptr)