Explicitly hold a reference to the cdev we have just cloned. This

closes the race where the cdev was reclaimed before it ever made it
back to devfs lookup.

1 files changed, 1 insertions, 0 deletions

diff --git a/sys/fs/coda/coda_fbsd.c b/sys/fs/coda/coda_fbsd.c
index d68b63f..ac6ad48 100644
--- a/sys/fs/coda/coda_fbsd.c
+++ b/sys/fs/coda/coda_fbsd.c
@@ -120,6 +120,7 @@ static void coda_fbsd_clone(arg, name, namelen, dev)
 	return;
 
     *dev = make_dev(&codadevsw,unit2minor(u),UID_ROOT,GID_WHEEL,0600,"cfs%d",u);
+    dev_ref(*dev);
     mnt = malloc(sizeof(struct coda_mntinfo), M_CODA, M_WAITOK|M_ZERO);
     LIST_INSERT_HEAD(&coda_mnttbl, mnt, mi_list);
 }