From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754189AbdA3TXd (ORCPT ); Mon, 30 Jan 2017 14:23:33 -0500 Received: from mailrelay112.isp.belgacom.be ([195.238.20.139]:3561 "EHLO mailrelay112.isp.belgacom.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754081AbdA3TXc (ORCPT ); Mon, 30 Jan 2017 14:23:32 -0500 X-Belgacom-Dynamic: yes X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A2ARAwCbi49Y/+M5QFddHQEXAQYBgl5pQ?= =?us-ascii?q?YEpjlCROwGQNYJEgg+CDIYigiRAGAECAQEBAQEBAWIohRcvIylxJBOJVBGtFDq?= =?us-ascii?q?EEIc1hkuJCIYVBZtUkW4NkHdIkjcfOIEuGhiEKAELgkE/NYV2gjwBAQE?= X-IPAS-Result: =?us-ascii?q?A2ARAwCbi49Y/+M5QFddHQEXAQYBgl5pQYEpjlCROwGQNYJ?= =?us-ascii?q?Egg+CDIYigiRAGAECAQEBAQEBAWIohRcvIylxJBOJVBGtFDqEEIc1hkuJCIYVB?= =?us-ascii?q?ZtUkW4NkHdIkjcfOIEuGhiEKAELgkE/NYV2gjwBAQE?= From: Fabian Frederick To: Andrew Morton Cc: linux-kernel@vger.kernel.org, kyungmin.park@samsung.com, linux-media@vger.kernel.org, Fabian Frederick Subject: [PATCH 04/14] m5mols: use atomic_dec_not_zero() Date: Mon, 30 Jan 2017 19:54:37 +0100 Message-Id: <20170130185437.22692-1-fabf@skynet.be> X-Mailer: git-send-email 2.9.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org instead of atomic_add_unless(value, -1, 0) Signed-off-by: Fabian Frederick --- drivers/media/i2c/m5mols/m5mols_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/m5mols/m5mols_core.c b/drivers/media/i2c/m5mols/m5mols_core.c index acb804b..3aab2ca 100644 --- a/drivers/media/i2c/m5mols/m5mols_core.c +++ b/drivers/media/i2c/m5mols/m5mols_core.c @@ -337,7 +337,7 @@ int m5mols_wait_interrupt(struct v4l2_subdev *sd, u8 irq_mask, u32 timeout) struct m5mols_info *info = to_m5mols(sd); int ret = wait_event_interruptible_timeout(info->irq_waitq, - atomic_add_unless(&info->irq_done, -1, 0), + atomic_dec_not_zero(&info->irq_done), msecs_to_jiffies(timeout)); if (ret <= 0) return ret ? ret : -ETIMEDOUT; -- 2.9.3