staging: vme_user: remove buf_unalloc helper
staging: vme_user: remove buf_unalloc helper

buf_unalloc is essentially a vme_free_consistent:
1) image[i].kern_buf is never NULL in buf_alloc call
2) kern_buf, pci_buf and size_buf get zeroed in vme_user_probe anyway

Signed-off-by: Dmitry Kalinkin <29815bb9c607b7ec4d5674c4d27228258621d840@gmail.com>
Cc: Igor Alekseev <f6afc2a8bd1cc7c55abe68b48633cbbd93d243b8@itep.ru>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs