libhsakmt: Prevent hsaKmtRegisterMemory* from registering non-userptr

hsaKmtRegisterMemory* can only register OS allocated userptr.

v2: Apply changes to all hsaKmtRegisterMemory* stuff.(Philip)

v3: Unlock aperture->fmm_mutex to aviod deadlock.

Suggested-by: Felix Kuehling <Felix.Kuehling@amd.com>
Change-Id: I1045af7edb4da8206cb878f64c0176ba4fc59f60
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Signed-off-by: Chris Freehill <cfreehil@amd.com>

libhsakmt/src/fmm.c

@@ -3533,6 +3533,10 @@ HSAKMT_STATUS fmm_register_memory(void *address, uint64_t size_in_bytes,
 	} else if (object->userptr) {
 		/* Update an existing userptr */
 		++object->registration_count;
+	} else {
+		/* Not a userptr when we are expecting one */
+		pthread_mutex_unlock(&aperture->fmm_mutex);
+		return HSAKMT_STATUS_INVALID_HANDLE;
 	}
 	/* Successful vm_find_object returns with aperture locked */