linux-kernel - [PATCH 5.4 333/348] leds: as3645a: Fix error return code in as3645a_parse

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Message-Id: <20210712060748.317947156@linuxfoundation.org>
Date:   Mon, 12 Jul 2021 08:11:57 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Zhen Lei <thunder.leizhen@...wei.com>,
        Pavel Machek <pavel@....cz>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 333/348] leds: as3645a: Fix error return code in as3645a_parse_node()

From: Zhen Lei <thunder.leizhen@...wei.com>

[ Upstream commit 96a30960a2c5246c8ffebe8a3c9031f9df094d97 ]

Return error code -ENODEV rather than '0' when the indicator node can not
be found.

Fixes: a56ba8fbcb55 ("media: leds: as3645a: Add LED flash class driver")
Reported-by: Hulk Robot <hulkci@...wei.com>
Acked-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
Signed-off-by: Pavel Machek <pavel@....cz>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/leds/leds-as3645a.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/leds/leds-as3645a.c b/drivers/leds/leds-as3645a.c
index b7e0ae1af8fa..1dc6f1b24ddb 100644
--- a/drivers/leds/leds-as3645a.c
+++ b/drivers/leds/leds-as3645a.c
@@ -544,6 +544,7 @@ static int as3645a_parse_node(struct as3645a *flash,
 	if (!flash->indicator_node) {
 		dev_warn(&flash->client->dev,
 			 "can't find indicator node\n");
+		rval = -ENODEV;
 		goto out_err;
 	}
 
-- 
2.30.2