linux-kernel - [PATCH 1/5] power: supply: bq27xxx: Simplify with dev_err

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:   Wed, 26 Aug 2020 16:48:54 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Pali Rohár <pali@...nel.org>,
        "Andrew F. Davis" <afd@...com>, Sebastian Reichel <sre@...nel.org>,
        Paul Cercueil <paul@...pouillou.net>,
        David Lechner <david@...hnology.com>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 1/5] power: supply: bq27xxx: Simplify with dev_err_probe()

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 drivers/power/supply/bq27xxx_battery.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c
index a123f6e21f08..617689084ded 100644
--- a/drivers/power/supply/bq27xxx_battery.c
+++ b/drivers/power/supply/bq27xxx_battery.c
@@ -1992,13 +1992,9 @@ int bq27xxx_battery_setup(struct bq27xxx_device_info *di)
 	psy_desc->external_power_changed = bq27xxx_external_power_changed;
 
 	di->bat = power_supply_register_no_ws(di->dev, psy_desc, &psy_cfg);
-	if (IS_ERR(di->bat)) {
-		if (PTR_ERR(di->bat) == -EPROBE_DEFER)
-			dev_dbg(di->dev, "failed to register battery, deferring probe\n");
-		else
-			dev_err(di->dev, "failed to register battery\n");
-		return PTR_ERR(di->bat);
-	}
+	if (IS_ERR(di->bat))
+		return dev_err_probe(di->dev, PTR_ERR(di->bat),
+				     "failed to register battery\n");
 
 	bq27xxx_battery_settings(di);
 	bq27xxx_battery_update(di);
-- 
2.17.1