linux-kernel - [PATCH v2 3/7] backlight: bd6107: Handle deferred probe

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20240305-backlight-probe-v2-3-609b0cf24bde@linaro.org>
Date: Tue, 05 Mar 2024 09:11:58 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Lee Jones <lee@...nel.org>, 
 Daniel Thompson <daniel.thompson@...aro.org>, 
 Jingoo Han <jingoohan1@...il.com>, Helge Deller <deller@....de>
Cc: dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 3/7] backlight: bd6107: Handle deferred probe

Don't pollute dmesg on deferred probe and simplify the code with
dev_err_probe().

Reviewed-by: Daniel Thompson <daniel.thompson@...aro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/video/backlight/bd6107.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/video/backlight/bd6107.c b/drivers/video/backlight/bd6107.c
index c95a12bf0ce2..b1e7126380ef 100644
--- a/drivers/video/backlight/bd6107.c
+++ b/drivers/video/backlight/bd6107.c
@@ -119,7 +119,6 @@ static int bd6107_probe(struct i2c_client *client)
 	struct backlight_device *backlight;
 	struct backlight_properties props;
 	struct bd6107 *bd;
-	int ret;
 
 	if (pdata == NULL) {
 		dev_err(&client->dev, "No platform data\n");
@@ -147,11 +146,9 @@ static int bd6107_probe(struct i2c_client *client)
 	 * the reset.
 	 */
 	bd->reset = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_HIGH);
-	if (IS_ERR(bd->reset)) {
-		dev_err(&client->dev, "unable to request reset GPIO\n");
-		ret = PTR_ERR(bd->reset);
-		return ret;
-	}
+	if (IS_ERR(bd->reset))
+		return dev_err_probe(&client->dev, PTR_ERR(bd->reset),
+				     "unable to request reset GPIO\n");
 
 	memset(&props, 0, sizeof(props));
 	props.type = BACKLIGHT_RAW;

-- 
2.34.1