Thu, Jan 17, 2019 at 10:59:10PM CET, eranbe@mellanox.com wrote:

[...]

+static void
+devlink_health_buffers_destroy(struct devlink_health_buffer **buffers_list,
+			       u64 size);

Avoid fwd declarations.

+
+static struct devlink_health_buffer **
+devlink_health_buffers_create(u64 size)
+{
+	struct devlink_health_buffer **buffers_list;
+	u64 num_of_buffers = DEVLINK_HEALTH_SIZE_TO_BUFFERS(size);
+	u64 i;
+
+	buffers_list = kcalloc(num_of_buffers,
+			       sizeof(struct devlink_health_buffer *),
+			       GFP_KERNEL);
+	if (!buffers_list)
+		return NULL;
+
+	for (i = 0; i < num_of_buffers; i++) {
+		struct devlink_health_buffer *buffer;
+		void *data;
+
+		buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
+		data = kzalloc(DEVLINK_HEALTH_BUFFER_SIZE, GFP_KERNEL);
+		if (!buffer || !data) {
+			kfree(buffer);
+			kfree(data);
+			goto buffers_cleanup;
+		}
+		buffers_list[i] = buffer;
+		buffer->data = data;
+	}
+	devlink_health_buffers_reset(buffers_list, num_of_buffers);
+
+	return buffers_list;
+
+buffers_cleanup:
+	devlink_health_buffers_destroy(buffers_list, --i);

Just do for-kfree here.

+	kfree(buffers_list);
+	return NULL;
+}
+
+static void
+devlink_health_buffers_destroy(struct devlink_health_buffer **buffers_list,
+			       u64 num_of_buffers)
+{
+	u64 i;
+
+	for (i = 0; i < num_of_buffers; i++) {
+		kfree(buffers_list[i]->data);
+		kfree(buffers_list[i]);
+	}
+}
+

[...]