2dbee30232
Explicitly free the user buffer ptr before test's tear down. Otherwise the svm_bo object will never be released, causing a BUG error. Due to a late callback to svm_migrate_page_free when prange not longer exist. Also did cosmetic adjustments. Signed-off-by: Alex Sierra <alex.sierra@amd.com> Change-Id: I989c62de8a9634faa84e42def956cecb3f84e329