Staging: me4000: kfree(NULL) is safe, so no extra checks needed. (e8aa1bd0) · Commits · 戴 / test

drivers/staging/me4000/me4000.c

+3 −6

Original line number	Diff line number	Diff line
		@@ -546,14 +546,12 @@ static void clear_board_info_list(void)
		&board_info->ao_context_list, list) {
		me4000_ao_reset(ao_context);
		free_irq(ao_context->irq, ao_context);
		if (ao_context->circ_buf.buf)
		kfree(ao_context->circ_buf.buf);
		list_del(&ao_context->list);
		kfree(ao_context);
		}

		/* Clear analog input context */
		if (board_info->ai_context->circ_buf.buf)
		kfree(board_info->ai_context->circ_buf.buf);
		kfree(board_info->ai_context);

		@@ -3668,7 +3666,6 @@ AI_CONFIG_ERR:
		tmp &=
		~(ME4000_AI_CTRL_BIT_CHANNEL_FIFO \| ME4000_AI_CTRL_BIT_SAMPLE_HOLD);

		if (list)
		kfree(list);

		return err;