K 10
svn:author
V 6
tsoome
K 8
svn:date
V 27
2019-12-13T08:41:37.500523Z
K 7
svn:log
V 151
loader: clean up devopen and devclose a bit

devopen should undo setup of f->f_dev in case of error.
devclose can just call free().

MFC after:	1 week

END