Frank van der Linden <fvdl@netbsd.org> writes:

> Modified Files:
> 	src/sys/ufs/ufs: ufs_vnops.c
> 
> Log Message:
> Add diagnostic check to ufs_vinit in order to catch bad mode fields in
> inodes early.

The case what you want to trap is VNON case, isn't it?  I don't think
IFTOVT() may return a value other than values listed in the swtich
statement.

enami.