create_mddev: don't replace /dev/mdX with /dev/md/X

If someone creates/assemble an array called "/dev/md0", don't force
it to be "/dev/md/0".  Doing so isn't really necessary and it
likely to confuse people.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 4 insertions, 1 deletions

diff --git a/mdopen.c b/mdopen.c
index a37eb9c3..293ac25d 100644
--- a/mdopen.c
+++ b/mdopen.c
@@ -311,7 +311,10 @@ int create_mddev(char *dev, char *name, int autof, int trustworthy,
 				conflict = 0;
 		}
 	}
-	if (cname[0] == 0)
+
+	if (dev)
+		strcpy(chosen, dev);
+	else if (cname[0] == 0)
 		strcpy(chosen, devname);
 
 	/* We have a device number and name.