macvtap: convert to idr_alloc()

Convert to the much saner new idr interface.

Signed-off-by: Tejun Heo <[email protected]>
Cc: Jason Wang <[email protected]>
Cc: Michael S. Tsirkin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
1 file changed