linux-kernel - [PATCH 2/4] soundwire: bus_type: convert open-coded while() to for() loop

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Date:   Tue,  9 Jun 2020 04:54:34 +0800
From:   Bard Liao <yung-chuan.liao@...ux.intel.com>
To:     alsa-devel@...a-project.org, vkoul@...nel.org
Cc:     vinod.koul@...aro.org, linux-kernel@...r.kernel.org, tiwai@...e.de,
        broonie@...nel.org, gregkh@...uxfoundation.org, jank@...ence.com,
        srinivas.kandagatla@...aro.org, rander.wang@...ux.intel.com,
        ranjani.sridharan@...ux.intel.com, hui.wang@...onical.com,
        pierre-louis.bossart@...ux.intel.com, sanyog.r.kale@...el.com,
        slawomir.blauciak@...el.com, mengdong.lin@...el.com,
        bard.liao@...el.com
Subject: [PATCH 2/4] soundwire: bus_type: convert open-coded while() to for() loop

From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>

No functionality change, just more structured code.

Suggested-by: Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Reviewed-by: Rander Wang <rander.wang@...ux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
---
 drivers/soundwire/bus_type.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/soundwire/bus_type.c b/drivers/soundwire/bus_type.c
index de9a671802b8..c8d948c09d9d 100644
--- a/drivers/soundwire/bus_type.c
+++ b/drivers/soundwire/bus_type.c
@@ -20,14 +20,12 @@
 static const struct sdw_device_id *
 sdw_get_device_id(struct sdw_slave *slave, struct sdw_driver *drv)
 {
-	const struct sdw_device_id *id = drv->id_table;
+	const struct sdw_device_id *id;
 
-	while (id && id->mfg_id) {
+	for (id = drv->id_table; id && id->mfg_id; id++)
 		if (slave->id.mfg_id == id->mfg_id &&
 		    slave->id.part_id == id->part_id)
 			return id;
-		id++;
-	}
 
 	return NULL;
 }
-- 
2.17.1