Properly handle an error return from udev2dev().
tree4d60c8af7e5a86b161c87093e18e6233d94d5383
-rw-r--r-- 4802 COPYRIGHT
-rw-r--r-- 8546 Makefile
-rw-r--r-- 23185 Makefile.inc1
-rw-r--r-- 9841 Makefile.upgrade
-rw-r--r-- 2544 README
-rw-r--r-- 1397 UPDATING
drwxr-xr-x - bin
drwxr-xr-x - contrib
drwxr-xr-x - crypto
drwxr-xr-x - documentation
drwxr-xr-x - etc
drwxr-xr-x - games
drwxr-xr-x - gnu
drwxr-xr-x - include
drwxr-xr-x - kerberos5
drwxr-xr-x - lib
drwxr-xr-x - libexec
drwxr-xr-x - release
drwxr-xr-x - sbin
drwxr-xr-x - secure
drwxr-xr-x - share
drwxr-xr-x - sys
drwxr-xr-x - test
drwxr-xr-x - tools
drwxr-xr-x - usr.bin
drwxr-xr-x - usr.sbin