From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Sun, 19 Apr 2020 18:51:15 +0000 (+0800)
Subject: soundwire: slave: don't init debugfs on device registration error
X-Git-Tag: v5.7.6~317
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=51cfd876ddb0ccc2645f0f35c91a7dfe314dd760;p=users%2Fdwmw2%2Flinux.git

soundwire: slave: don't init debugfs on device registration error

[ Upstream commit 8893ab5e8ee5d7c12e0fc1dca4a309475064473d ]

The error handling flow seems incorrect, there is no reason to try and
add debugfs support if the device registration did not
succeed. Return on error.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20200419185117.4233-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c
index aace57fae7f83..4bacdb187eab8 100644
--- a/drivers/soundwire/slave.c
+++ b/drivers/soundwire/slave.c
@@ -68,6 +68,8 @@ static int sdw_slave_add(struct sdw_bus *bus,
 		list_del(&slave->node);
 		mutex_unlock(&bus->bus_lock);
 		put_device(&slave->dev);
+
+		return ret;
 	}
 	sdw_slave_debugfs_init(slave);