Free the malloc'ed event on page alloc failure

Change-Id: I009a9a6e2f67545c51470e86eac1adb78d6181b4
Signed-off-by: Mihai Preda <preda@users.noreply.github.com>
Signed-off-by: Kent Russell <kent.russell@amd.com>


[ROCm/ROCR-Runtime commit: fa0c182325]

projects/rocr-runtime/src/events.c

@@ -78,6 +78,7 @@ HSAKMT_STATUS HSAKMTAPI hsaKmtCreateEvent(HsaEventDescriptor *EventDesc,
 		events_page = allocate_exec_aligned_memory_gpu(
 			KFD_SIGNAL_EVENT_LIMIT * 8, PAGE_SIZE, 0, 0, true, false, true);
 		if (!events_page) {
+			free(e);
 			pthread_mutex_unlock(&hsakmt_mutex);
 			return HSAKMT_STATUS_ERROR;
 		}